// *************************************************************************************************
//
// Horde3D
//   Next-Generation Graphics Engine
// --------------------------------------
// Copyright (C) 2006-2016 Nicolas Schulz and Horde3D team
//
// This software is distributed under the terms of the Eclipse Public License v1.0.
// A copy of the license may be obtained at: http://www.eclipse.org/legal/epl-v10.html
//
// *************************************************************************************************

#ifndef _utOpenGL_H_
#define _utOpenGL_H_

#if defined( __gl_h_ ) || defined( __GL_H__ )
#   error gl.h included before utOpenGL.h
#endif

#include "utPlatform.h"

#if defined( PLATFORM_WIN ) || defined( PLATFORM_WIN_CE )
#   define WIN32_LEAN_AND_MEAN 1
#   ifndef NOMINMAX
#       define NOMINMAX
#   endif
#   include <windows.h>
#   include <stddef.h>
#   define GLAPI __declspec( dllimport )
#   define GLAPIENTRY _stdcall
#   define GLAPIENTRYP _stdcall *
#   ifdef PLATFORM_WIN_CE
extern "C" GLAPI void* eglGetProcAddress(const char *procname);
#   endif
#else
#   include <stddef.h>
#   define GLAPI
#   define GLAPIENTRY
#   define GLAPIENTRYP *
#   ifdef PLATFORM_MAC
#      include <Carbon/Carbon.h>
#   else
#      ifdef HAVE_EGL
#         include <EGL/egl.h>
#         undef None // X.h defines None which conflicts with RenderingOrder::None
#      else
extern "C" void (*glXGetProcAddressARB( const unsigned char *procName ))( void );
#      endif
#   endif
#endif


namespace glExt
{
	extern bool EXT_framebuffer_object;
	extern bool EXT_framebuffer_multisample;
	extern bool EXT_texture_filter_anisotropic;
	extern bool EXT_texture_compression_s3tc;
	extern bool EXT_texture_sRGB;
	extern bool ARB_texture_float;
	extern bool ARB_texture_non_power_of_two;
	extern bool ARB_timer_query;
	extern bool ARB_texture_buffer_object;
    extern bool OES_EGL_image;

	extern int  majorVersion, minorVersion;
}

bool initOpenGLExtensions( bool forceLegacyFuncs );


// =================================================================================================
// OpenGL 2.1 functionality that has not been deprecated by GL3
// =================================================================================================

// GL 1.1
#ifndef GL_VERSION_1_1
#define GL_VERSION_1_1 1

typedef unsigned int    GLenum;
typedef unsigned char   GLboolean;
typedef unsigned int    GLbitfield;
typedef signed char     GLbyte;
typedef short           GLshort;
typedef int             GLint;
typedef int             GLsizei;
typedef unsigned char   GLubyte;
typedef unsigned short  GLushort;
typedef unsigned int    GLuint;
typedef float           GLfloat;
typedef float           GLclampf;
typedef double          GLdouble;
typedef double          GLclampd;
typedef void            GLvoid;
// ARB_timer_query
typedef int64           GLint64;
typedef uint64          GLuint64;


#define GL_FALSE                          0
#define GL_TRUE                           1

#define GL_DEPTH_BUFFER_BIT               0x00000100
#define GL_STENCIL_BUFFER_BIT             0x00000400
#define GL_COLOR_BUFFER_BIT               0x00004000

#define GL_POINTS                         0x0000
#define GL_LINES                          0x0001
#define GL_LINE_LOOP                      0x0002
#define GL_LINE_STRIP                     0x0003
#define GL_TRIANGLES                      0x0004
#define GL_TRIANGLE_STRIP                 0x0005
#define GL_TRIANGLE_FAN                   0x0006

#define GL_NEVER                          0x0200
#define GL_LESS                           0x0201
#define GL_EQUAL                          0x0202
#define GL_LEQUAL                         0x0203
#define GL_GREATER                        0x0204
#define GL_NOTEQUAL                       0x0205
#define GL_GEQUAL                         0x0206
#define GL_ALWAYS                         0x0207

#define GL_ZERO                           0
#define GL_ONE                            1
#define GL_SRC_COLOR                      0x0300
#define GL_ONE_MINUS_SRC_COLOR            0x0301
#define GL_SRC_ALPHA                      0x0302
#define GL_ONE_MINUS_SRC_ALPHA            0x0303
#define GL_DST_ALPHA                      0x0304
#define GL_ONE_MINUS_DST_ALPHA            0x0305
#define GL_DST_COLOR                      0x0306
#define GL_ONE_MINUS_DST_COLOR            0x0307
#define GL_SRC_ALPHA_SATURATE             0x0308

#define GL_NONE                           0
#define GL_FRONT_LEFT                     0x0400
#define GL_FRONT_RIGHT                    0x0401
#define GL_BACK_LEFT                      0x0402
#define GL_BACK_RIGHT                     0x0403
#define GL_FRONT                          0x0404
#define GL_BACK                           0x0405
#define GL_LEFT                           0x0406
#define GL_RIGHT                          0x0407
#define GL_FRONT_AND_BACK                 0x0408

#define GL_NO_ERROR                       0
#define GL_INVALID_ENUM                   0x0500
#define GL_INVALID_VALUE                  0x0501
#define GL_INVALID_OPERATION              0x0502
#define GL_STACK_OVERFLOW                 0x0503
#define GL_STACK_UNDERFLOW                0x0504
#define GL_OUT_OF_MEMORY                  0x0505

#define GL_CW                             0x0900
#define GL_CCW                            0x0901

#define GL_POINT_SIZE                     0x0B11
#define GL_POINT_SIZE_RANGE               0x0B12
#define GL_POINT_SIZE_GRANULARITY         0x0B13
#define GL_LINE_SMOOTH                    0x0B20
#define GL_LINE_WIDTH                     0x0B21
#define GL_LINE_WIDTH_RANGE               0x0B22
#define GL_LINE_WIDTH_GRANULARITY         0x0B23
#define GL_POLYGON_MODE                   0x0B40
#define GL_POLYGON_SMOOTH                 0x0B41
#define GL_CULL_FACE                      0x0B44
#define GL_CULL_FACE_MODE                 0x0B45
#define GL_FRONT_FACE                     0x0B46
#define GL_DEPTH_RANGE                    0x0B70
#define GL_DEPTH_TEST                     0x0B71
#define GL_DEPTH_WRITEMASK                0x0B72
#define GL_DEPTH_CLEAR_VALUE              0x0B73
#define GL_DEPTH_FUNC                     0x0B74
#define GL_STENCIL_TEST                   0x0B90
#define GL_STENCIL_CLEAR_VALUE            0x0B91
#define GL_STENCIL_FUNC                   0x0B92
#define GL_STENCIL_VALUE_MASK             0x0B93
#define GL_STENCIL_FAIL                   0x0B94
#define GL_STENCIL_PASS_DEPTH_FAIL        0x0B95
#define GL_STENCIL_PASS_DEPTH_PASS        0x0B96
#define GL_STENCIL_REF                    0x0B97
#define GL_STENCIL_WRITEMASK              0x0B98
#define GL_VIEWPORT                       0x0BA2
#define GL_DITHER                         0x0BD0
#define GL_BLEND_DST                      0x0BE0
#define GL_BLEND_SRC                      0x0BE1
#define GL_BLEND                          0x0BE2
#define GL_LOGIC_OP_MODE                  0x0BF0
#define GL_COLOR_LOGIC_OP                 0x0BF2
#define GL_DRAW_BUFFER                    0x0C01
#define GL_READ_BUFFER                    0x0C02
#define GL_SCISSOR_BOX                    0x0C10
#define GL_SCISSOR_TEST                   0x0C11
#define GL_COLOR_CLEAR_VALUE              0x0C22
#define GL_COLOR_WRITEMASK                0x0C23
#define GL_RGBA_MODE                      0x0C31
#define GL_DOUBLEBUFFER                   0x0C32
#define GL_STEREO                         0x0C33
#define GL_RENDER_MODE                    0x0C40
#define GL_LINE_SMOOTH_HINT               0x0C52
#define GL_POLYGON_SMOOTH_HINT            0x0C53
#define GL_UNPACK_SWAP_BYTES              0x0CF0
#define GL_UNPACK_LSB_FIRST               0x0CF1
#define GL_UNPACK_ROW_LENGTH              0x0CF2
#define GL_UNPACK_SKIP_ROWS               0x0CF3
#define GL_UNPACK_SKIP_PIXELS             0x0CF4
#define GL_UNPACK_ALIGNMENT               0x0CF5
#define GL_PACK_SWAP_BYTES                0x0D00
#define GL_PACK_LSB_FIRST                 0x0D01
#define GL_PACK_ROW_LENGTH                0x0D02
#define GL_PACK_SKIP_ROWS                 0x0D03
#define GL_PACK_SKIP_PIXELS               0x0D04
#define GL_PACK_ALIGNMENT                 0x0D05
#define GL_MAX_TEXTURE_SIZE               0x0D33
#define GL_MAX_VIEWPORT_DIMS              0x0D3A
#define GL_SUBPIXEL_BITS                  0x0D50
#define GL_TEXTURE_1D                     0x0DE0
#define GL_TEXTURE_2D                     0x0DE1
#define GL_POLYGON_OFFSET_UNITS           0x2A00
#define GL_POLYGON_OFFSET_POINT           0x2A01
#define GL_POLYGON_OFFSET_LINE            0x2A02
#define GL_POLYGON_OFFSET_FILL            0x8037
#define GL_POLYGON_OFFSET_FACTOR          0x8038
#define GL_TEXTURE_BINDING_1D             0x8068
#define GL_TEXTURE_BINDING_2D             0x8069

#define GL_TEXTURE_WIDTH                  0x1000
#define GL_TEXTURE_HEIGHT                 0x1001
#define GL_TEXTURE_INTERNAL_FORMAT        0x1003
#define GL_TEXTURE_BORDER_COLOR           0x1004
#define GL_TEXTURE_BORDER                 0x1005
#define GL_TEXTURE_RED_SIZE               0x805C
#define GL_TEXTURE_GREEN_SIZE             0x805D
#define GL_TEXTURE_BLUE_SIZE              0x805E
#define GL_TEXTURE_ALPHA_SIZE             0x805F

#define GL_DONT_CARE                      0x1100
#define GL_FASTEST                        0x1101
#define GL_NICEST                         0x1102

#define GL_BYTE                           0x1400
#define GL_UNSIGNED_BYTE                  0x1401
#define GL_SHORT                          0x1402
#define GL_UNSIGNED_SHORT                 0x1403
#define GL_INT                            0x1404
#define GL_UNSIGNED_INT                   0x1405
#define GL_FLOAT                          0x1406
#define GL_DOUBLE                         0x140A

#define GL_CLEAR                          0x1500
#define GL_AND                            0x1501
#define GL_AND_REVERSE                    0x1502
#define GL_COPY                           0x1503
#define GL_AND_INVERTED                   0x1504
#define GL_NOOP                           0x1505
#define GL_XOR                            0x1506
#define GL_OR                             0x1507
#define GL_NOR                            0x1508
#define GL_EQUIV                          0x1509
#define GL_INVERT                         0x150A
#define GL_OR_REVERSE                     0x150B
#define GL_COPY_INVERTED                  0x150C
#define GL_OR_INVERTED                    0x150D
#define GL_NAND                           0x150E
#define GL_SET                            0x150F

#define GL_STENCIL_INDEX                  0x1901
#define GL_DEPTH_COMPONENT                0x1902
#define GL_RED                            0x1903
#define GL_GREEN                          0x1904
#define GL_BLUE                           0x1905
#define GL_ALPHA                          0x1906
#define GL_RGB                            0x1907
#define GL_RGBA                           0x1908

#define GL_POINT                          0x1B00
#define GL_LINE                           0x1B01
#define GL_FILL                           0x1B02

#define GL_KEEP                           0x1E00
#define GL_REPLACE                        0x1E01
#define GL_INCR                           0x1E02
#define GL_DECR                           0x1E03

#define GL_VENDOR                         0x1F00
#define GL_RENDERER                       0x1F01
#define GL_VERSION                        0x1F02
#define GL_EXTENSIONS                     0x1F03

#define GL_NEAREST                        0x2600
#define GL_LINEAR                         0x2601

#define GL_NEAREST_MIPMAP_NEAREST         0x2700
#define GL_LINEAR_MIPMAP_NEAREST          0x2701
#define GL_NEAREST_MIPMAP_LINEAR          0x2702
#define GL_LINEAR_MIPMAP_LINEAR           0x2703

#define GL_TEXTURE_MAG_FILTER             0x2800
#define GL_TEXTURE_MIN_FILTER             0x2801
#define GL_TEXTURE_WRAP_S                 0x2802
#define GL_TEXTURE_WRAP_T                 0x2803

#define GL_REPEAT                         0x2901

#define GL_R3_G3_B2                       0x2A10
#define GL_RGB4                           0x804F
#define GL_RGB5                           0x8050
#define GL_RGB8                           0x8051
#define GL_RGB10                          0x8052
#define GL_RGB12                          0x8053
#define GL_RGB16                          0x8054
#define GL_RGBA2                          0x8055
#define GL_RGBA4                          0x8056
#define GL_RGB5_A1                        0x8057
#define GL_RGBA8                          0x8058
#define GL_RGB10_A2                       0x8059
#define GL_RGBA12                         0x805A
#define GL_RGBA16                         0x805B

#define GL_PROXY_TEXTURE_1D               0x8063
#define GL_PROXY_TEXTURE_2D               0x8064

extern "C"
{
GLAPI void GLAPIENTRY glBindTexture (GLenum target, GLuint texture);
GLAPI void GLAPIENTRY glBlendFunc (GLenum sfactor, GLenum dfactor);
GLAPI void GLAPIENTRY glClear (GLbitfield mask);
GLAPI void GLAPIENTRY glClearColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
GLAPI void GLAPIENTRY glClearStencil (GLint s);
GLAPI void GLAPIENTRY glColorMask (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
GLAPI void GLAPIENTRY glCopyTexImage1D (GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLint border);
GLAPI void GLAPIENTRY glCopyTexImage2D (GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
GLAPI void GLAPIENTRY glCopyTexSubImage1D (GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
GLAPI void GLAPIENTRY glCopyTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
GLAPI void GLAPIENTRY glCullFace (GLenum mode);
GLAPI void GLAPIENTRY glDeleteTextures (GLsizei n, const GLuint *textures);
GLAPI void GLAPIENTRY glDepthFunc (GLenum func);
GLAPI void GLAPIENTRY glDepthMask (GLboolean flag);
GLAPI void GLAPIENTRY glDepthRange (GLclampd zNear, GLclampd zFar);
GLAPI void GLAPIENTRY glDisable (GLenum cap);
GLAPI void GLAPIENTRY glDrawArrays (GLenum mode, GLint first, GLsizei count);
GLAPI void GLAPIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
GLAPI void GLAPIENTRY glEnable (GLenum cap);
GLAPI void GLAPIENTRY glFinish (void);
GLAPI void GLAPIENTRY glFlush (void);
GLAPI void GLAPIENTRY glFrontFace (GLenum mode);
GLAPI void GLAPIENTRY glGenTextures (GLsizei n, GLuint *textures);
GLAPI void GLAPIENTRY glGetBooleanv (GLenum pname, GLboolean *params);
GLAPI void GLAPIENTRY glGetDoublev (GLenum pname, GLdouble *params);
GLAPI GLenum GLAPIENTRY glGetError (void);
GLAPI void GLAPIENTRY glGetFloatv (GLenum pname, GLfloat *params);
GLAPI void GLAPIENTRY glGetIntegerv (GLenum pname, GLint *params);
GLAPI void GLAPIENTRY glGetPointerv (GLenum pname, GLvoid* *params);
GLAPI const GLubyte * GLAPIENTRY glGetString (GLenum name);
GLAPI void GLAPIENTRY glGetTexLevelParameterfv (GLenum target, GLint level, GLenum pname, GLfloat *params);
GLAPI void GLAPIENTRY glGetTexLevelParameteriv (GLenum target, GLint level, GLenum pname, GLint *params);
GLAPI void GLAPIENTRY glGetTexParameterfv (GLenum target, GLenum pname, GLfloat *params);
GLAPI void GLAPIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint *params);
GLAPI void GLAPIENTRY glHint (GLenum target, GLenum mode);
GLAPI GLboolean GLAPIENTRY glIsEnabled (GLenum cap);
GLAPI GLboolean GLAPIENTRY glIsTexture (GLuint texture);
GLAPI void GLAPIENTRY glLineWidth (GLfloat width);
GLAPI void GLAPIENTRY glLogicOp (GLenum opcode);
GLAPI void GLAPIENTRY glPixelStoref (GLenum pname, GLfloat param);
GLAPI void GLAPIENTRY glPixelStorei (GLenum pname, GLint param);
GLAPI void GLAPIENTRY glPointSize (GLfloat size);
GLAPI void GLAPIENTRY glPolygonOffset (GLfloat factor, GLfloat units);
GLAPI void GLAPIENTRY glReadBuffer (GLenum mode);
GLAPI void GLAPIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
GLAPI void GLAPIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
GLAPI void GLAPIENTRY glStencilFunc (GLenum func, GLint ref, GLuint mask);
GLAPI void GLAPIENTRY glStencilMask (GLuint mask);
GLAPI void GLAPIENTRY glStencilOp (GLenum fail, GLenum zfail, GLenum zpass);
GLAPI void GLAPIENTRY glTexImage1D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
GLAPI void GLAPIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
GLAPI void GLAPIENTRY glTexParameterf (GLenum target, GLenum pname, GLfloat param);
GLAPI void GLAPIENTRY glTexParameterfv (GLenum target, GLenum pname, const GLfloat *params);
GLAPI void GLAPIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param);
GLAPI void GLAPIENTRY glTexParameteriv (GLenum target, GLenum pname, const GLint *params);
GLAPI void GLAPIENTRY glTexSubImage1D (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
GLAPI void GLAPIENTRY glTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
GLAPI void GLAPIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height);
}  // extern "C"

#endif  // GL_VERSION_1_1


namespace h3dGL
{

typedef void (GLAPIENTRYP PFNGLGETTEXIMAGEPROC) (GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
typedef void (GLAPIENTRYP PFNGLPOLYGONMODEPROC)(GLenum face, GLenum mode);
typedef void (GLAPIENTRYP PFNGLCLEARDEPTH) (GLclampd depth);
typedef void (GLAPIENTRYP PFNGLDRAWBUFFERPROC) (GLenum mode);

extern PFNGLGETTEXIMAGEPROC glGetTexImage;
extern PFNGLPOLYGONMODEPROC glPolygonMode;
extern PFNGLCLEARDEPTH glClearDepth;
extern PFNGLDRAWBUFFERPROC glDrawBuffer;

// GL 1.2
#ifndef GL_VERSION_1_2
#define GL_VERSION_1_2 1

#define GL_UNSIGNED_BYTE_3_3_2            0x8032
#define GL_UNSIGNED_SHORT_4_4_4_4         0x8033
#define GL_UNSIGNED_SHORT_5_5_5_1         0x8034
#define GL_UNSIGNED_INT_8_8_8_8           0x8035
#define GL_UNSIGNED_INT_10_10_10_2        0x8036
#define GL_TEXTURE_BINDING_3D             0x806A
#define GL_PACK_SKIP_IMAGES               0x806B
#define GL_PACK_IMAGE_HEIGHT              0x806C
#define GL_UNPACK_SKIP_IMAGES             0x806D
#define GL_UNPACK_IMAGE_HEIGHT            0x806E
#define GL_TEXTURE_3D                     0x806F
#define GL_PROXY_TEXTURE_3D               0x8070
#define GL_TEXTURE_DEPTH                  0x8071
#define GL_TEXTURE_WRAP_R                 0x8072
#define GL_MAX_3D_TEXTURE_SIZE            0x8073
#define GL_UNSIGNED_BYTE_2_3_3_REV        0x8362
#define GL_UNSIGNED_SHORT_5_6_5           0x8363
#define GL_UNSIGNED_SHORT_5_6_5_REV       0x8364
#define GL_UNSIGNED_SHORT_4_4_4_4_REV     0x8365
#define GL_UNSIGNED_SHORT_1_5_5_5_REV     0x8366
#define GL_UNSIGNED_INT_8_8_8_8_REV       0x8367
#define GL_UNSIGNED_INT_2_10_10_10_REV    0x8368
#define GL_BGR                            0x80E0
#define GL_BGRA                           0x80E1
#define GL_MAX_ELEMENTS_VERTICES          0x80E8
#define GL_MAX_ELEMENTS_INDICES           0x80E9
#define GL_CLAMP_TO_EDGE                  0x812F
#define GL_TEXTURE_MIN_LOD                0x813A
#define GL_TEXTURE_MAX_LOD                0x813B
#define GL_TEXTURE_BASE_LEVEL             0x813C
#define GL_TEXTURE_MAX_LEVEL              0x813D
#define GL_SMOOTH_POINT_SIZE_RANGE        0x0B12
#define GL_SMOOTH_POINT_SIZE_GRANULARITY  0x0B13
#define GL_SMOOTH_LINE_WIDTH_RANGE        0x0B22
#define GL_SMOOTH_LINE_WIDTH_GRANULARITY  0x0B23
#define GL_ALIASED_POINT_SIZE_RANGE       0x846D
#define GL_ALIASED_LINE_WIDTH_RANGE       0x846E

typedef void (GLAPIENTRYP PFNGLBLENDCOLORPROC) (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
typedef void (GLAPIENTRYP PFNGLBLENDEQUATIONPROC) (GLenum mode);
typedef void (GLAPIENTRYP PFNGLDRAWRANGEELEMENTSPROC) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
typedef void (GLAPIENTRYP PFNGLTEXIMAGE3DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
typedef void (GLAPIENTRYP PFNGLTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
typedef void (GLAPIENTRYP PFNGLCOPYTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);

extern PFNGLBLENDCOLORPROC glBlendColor;
extern PFNGLBLENDEQUATIONPROC glBlendEquation;
extern PFNGLDRAWRANGEELEMENTSPROC glDrawRangeElements;
extern PFNGLTEXIMAGE3DPROC glTexImage3D;
extern PFNGLTEXSUBIMAGE3DPROC glTexSubImage3D;
extern PFNGLCOPYTEXSUBIMAGE3DPROC glCopyTexSubImage3D;

#endif  // GL_VERSION_1_2


// GL 1.3
#ifndef GL_VERSION_1_3
#define GL_VERSION_1_3 1

#define GL_TEXTURE0                       0x84C0
#define GL_TEXTURE1                       0x84C1
#define GL_TEXTURE2                       0x84C2
#define GL_TEXTURE3                       0x84C3
#define GL_TEXTURE4                       0x84C4
#define GL_TEXTURE5                       0x84C5
#define GL_TEXTURE6                       0x84C6
#define GL_TEXTURE7                       0x84C7
#define GL_TEXTURE8                       0x84C8
#define GL_TEXTURE9                       0x84C9
#define GL_TEXTURE10                      0x84CA
#define GL_TEXTURE11                      0x84CB
#define GL_TEXTURE12                      0x84CC
#define GL_TEXTURE13                      0x84CD
#define GL_TEXTURE14                      0x84CE
#define GL_TEXTURE15                      0x84CF
#define GL_TEXTURE16                      0x84D0
#define GL_TEXTURE17                      0x84D1
#define GL_TEXTURE18                      0x84D2
#define GL_TEXTURE19                      0x84D3
#define GL_TEXTURE20                      0x84D4
#define GL_TEXTURE21                      0x84D5
#define GL_TEXTURE22                      0x84D6
#define GL_TEXTURE23                      0x84D7
#define GL_TEXTURE24                      0x84D8
#define GL_TEXTURE25                      0x84D9
#define GL_TEXTURE26                      0x84DA
#define GL_TEXTURE27                      0x84DB
#define GL_TEXTURE28                      0x84DC
#define GL_TEXTURE29                      0x84DD
#define GL_TEXTURE30                      0x84DE
#define GL_TEXTURE31                      0x84DF
#define GL_ACTIVE_TEXTURE                 0x84E0
#define GL_MULTISAMPLE                    0x809D
#define GL_SAMPLE_ALPHA_TO_COVERAGE       0x809E
#define GL_SAMPLE_ALPHA_TO_ONE            0x809F
#define GL_SAMPLE_COVERAGE                0x80A0
#define GL_SAMPLE_BUFFERS                 0x80A8
#define GL_SAMPLES                        0x80A9
#define GL_SAMPLE_COVERAGE_VALUE          0x80AA
#define GL_SAMPLE_COVERAGE_INVERT         0x80AB
#define GL_TEXTURE_CUBE_MAP               0x8513
#define GL_TEXTURE_BINDING_CUBE_MAP       0x8514
#define GL_TEXTURE_CUBE_MAP_POSITIVE_X    0x8515
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X    0x8516
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y    0x8517
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y    0x8518
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z    0x8519
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z    0x851A
#define GL_PROXY_TEXTURE_CUBE_MAP         0x851B
#define GL_MAX_CUBE_MAP_TEXTURE_SIZE      0x851C
#define GL_COMPRESSED_RGB                 0x84ED
#define GL_COMPRESSED_RGBA                0x84EE
#define GL_TEXTURE_COMPRESSION_HINT       0x84EF
#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE  0x86A0
#define GL_TEXTURE_COMPRESSED             0x86A1
#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
#define GL_COMPRESSED_TEXTURE_FORMATS     0x86A3
#define GL_CLAMP_TO_BORDER                0x812D

typedef void (GLAPIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
typedef void (GLAPIENTRYP PFNGLSAMPLECOVERAGEPROC) (GLclampf value, GLboolean invert);
typedef void (GLAPIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data);
typedef void (GLAPIENTRYP PFNGLCOMPRESSEDTEXIMAGE2DPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
typedef void (GLAPIENTRYP PFNGLCOMPRESSEDTEXIMAGE1DPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const GLvoid *data);
typedef void (GLAPIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data);
typedef void (GLAPIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
typedef void (GLAPIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC) (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const GLvoid *data);
typedef void (GLAPIENTRYP PFNGLGETCOMPRESSEDTEXIMAGEPROC) (GLenum target, GLint level, GLvoid *img);

extern PFNGLACTIVETEXTUREPROC glActiveTexture;
extern PFNGLSAMPLECOVERAGEPROC glSampleCoverage;
extern PFNGLCOMPRESSEDTEXIMAGE3DPROC glCompressedTexImage3D;
extern PFNGLCOMPRESSEDTEXIMAGE2DPROC glCompressedTexImage2D;
extern PFNGLCOMPRESSEDTEXIMAGE1DPROC glCompressedTexImage1D;
extern PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glCompressedTexSubImage3D;
extern PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glCompressedTexSubImage2D;
extern PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glCompressedTexSubImage1D;
extern PFNGLGETCOMPRESSEDTEXIMAGEPROC glGetCompressedTexImage;

#endif  // GL_VERSION_1_3


// GL 1.4
#ifndef GL_VERSION_1_4
#define GL_VERSION_1_4 1

#define GL_BLEND_DST_RGB                  0x80C8
#define GL_BLEND_SRC_RGB                  0x80C9
#define GL_BLEND_DST_ALPHA                0x80CA
#define GL_BLEND_SRC_ALPHA                0x80CB
#define GL_POINT_SIZE_MIN                 0x8126
#define GL_POINT_SIZE_MAX                 0x8127
#define GL_POINT_FADE_THRESHOLD_SIZE      0x8128
#define GL_POINT_DISTANCE_ATTENUATION     0x8129
#define GL_DEPTH_COMPONENT16              0x81A5
#define GL_DEPTH_COMPONENT24              0x81A6
#define GL_DEPTH_COMPONENT32              0x81A7
#define GL_MIRRORED_REPEAT                0x8370
#define GL_INCR_WRAP                      0x8507
#define GL_DECR_WRAP                      0x8508
#define GL_TEXTURE_DEPTH_SIZE             0x884A
#define GL_DEPTH_TEXTURE_MODE             0x884B
#define GL_TEXTURE_COMPARE_MODE           0x884C
#define GL_TEXTURE_COMPARE_FUNC           0x884D
#define GL_COMPARE_R_TO_TEXTURE           0x884E

typedef void (GLAPIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
typedef void (GLAPIENTRYP PFNGLMULTIDRAWARRAYSPROC) (GLenum mode, GLint *first, GLsizei *count, GLsizei primcount);
typedef void (GLAPIENTRYP PFNGLMULTIDRAWELEMENTSPROC) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
typedef void (GLAPIENTRYP PFNGLPOINTPARAMETERFPROC) (GLenum pname, GLfloat param);
typedef void (GLAPIENTRYP PFNGLPOINTPARAMETERFVPROC) (GLenum pname, const GLfloat *params);
typedef void (GLAPIENTRYP PFNGLPOINTPARAMETERIPROC) (GLenum pname, GLint param);
typedef void (GLAPIENTRYP PFNGLPOINTPARAMETERIVPROC) (GLenum pname, const GLint *params);

extern PFNGLBLENDFUNCSEPARATEPROC glBlendFuncSeparate;
extern PFNGLMULTIDRAWARRAYSPROC glMultiDrawArrays;
extern PFNGLMULTIDRAWELEMENTSPROC glMultiDrawElements;
extern PFNGLPOINTPARAMETERFPROC glPointParameterf;
extern PFNGLPOINTPARAMETERFVPROC glPointParameterfv;
extern PFNGLPOINTPARAMETERIPROC glPointParameteri;
extern PFNGLPOINTPARAMETERIVPROC glPointParameteriv;

#endif  // GL_VERSION_1_4


// GL 1.5
#ifndef GL_VERSION_1_5
#define GL_VERSION_1_5 1

typedef ptrdiff_t   GLintptr;
typedef ptrdiff_t   GLsizeiptr;

#define GL_BUFFER_SIZE                          0x8764
#define GL_BUFFER_USAGE                         0x8765
#define GL_QUERY_COUNTER_BITS                   0x8864
#define GL_CURRENT_QUERY                        0x8865
#define GL_QUERY_RESULT                         0x8866
#define GL_QUERY_RESULT_AVAILABLE               0x8867
#define GL_ARRAY_BUFFER                         0x8892
#define GL_ELEMENT_ARRAY_BUFFER                 0x8893
#define GL_ARRAY_BUFFER_BINDING                 0x8894
#define GL_ELEMENT_ARRAY_BUFFER_BINDING         0x8895
#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING   0x889F
#define GL_READ_ONLY                            0x88B8
#define GL_WRITE_ONLY                           0x88B9
#define GL_READ_WRITE                           0x88BA
#define GL_BUFFER_ACCESS                        0x88BB
#define GL_BUFFER_MAPPED                        0x88BC
#define GL_BUFFER_MAP_POINTER                   0x88BD
#define GL_STREAM_DRAW                          0x88E0
#define GL_STREAM_READ                          0x88E1
#define GL_STREAM_COPY                          0x88E2
#define GL_STATIC_DRAW                          0x88E4
#define GL_STATIC_READ                          0x88E5
#define GL_STATIC_COPY                          0x88E6
#define GL_DYNAMIC_DRAW                         0x88E8
#define GL_DYNAMIC_READ                         0x88E9
#define GL_DYNAMIC_COPY                         0x88EA
#define GL_SAMPLES_PASSED                       0x8914
#define GL_SRC0_RGB                             GL_SOURCE0_RGB
#define GL_SRC1_RGB                             GL_SOURCE1_RGB
#define GL_SRC2_RGB                             GL_SOURCE2_RGB
#define GL_SRC0_ALPHA                           GL_SOURCE0_ALPHA
#define GL_SRC1_ALPHA                           GL_SOURCE1_ALPHA
#define GL_SRC2_ALPHA                           GL_SOURCE2_ALPHA

typedef void (GLAPIENTRYP PFNGLGENQUERIESPROC) (GLsizei n, GLuint *ids);
typedef void (GLAPIENTRYP PFNGLDELETEQUERIESPROC) (GLsizei n, const GLuint *ids);
typedef GLboolean (GLAPIENTRYP PFNGLISQUERYPROC) (GLuint id);
typedef void (GLAPIENTRYP PFNGLBEGINQUERYPROC) (GLenum target, GLuint id);
typedef void (GLAPIENTRYP PFNGLENDQUERYPROC) (GLenum target);
typedef void (GLAPIENTRYP PFNGLGETQUERYIVPROC) (GLenum target, GLenum pname, GLint *params);
typedef void (GLAPIENTRYP PFNGLGETQUERYOBJECTIVPROC) (GLuint id, GLenum pname, GLint *params);
typedef void (GLAPIENTRYP PFNGLGETQUERYOBJECTUIVPROC) (GLuint id, GLenum pname, GLuint *params);
typedef void (GLAPIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
typedef void (GLAPIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers);
typedef void (GLAPIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
typedef GLboolean (GLAPIENTRYP PFNGLISBUFFERPROC) (GLuint buffer);
typedef void (GLAPIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage);
typedef void (GLAPIENTRYP PFNGLBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data);
typedef void (GLAPIENTRYP PFNGLGETBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data);
typedef GLvoid* (GLAPIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access);
typedef GLboolean (GLAPIENTRYP PFNGLUNMAPBUFFERPROC) (GLenum target);
typedef void (GLAPIENTRYP PFNGLGETBUFFERPARAMETERIVPROC) (GLenum target, GLenum pname, GLint *params);
typedef void (GLAPIENTRYP PFNGLGETBUFFERPOINTERVPROC) (GLenum target, GLenum pname, GLvoid* *params);

extern PFNGLGENQUERIESPROC glGenQueries;
extern PFNGLDELETEQUERIESPROC glDeleteQueries;
extern PFNGLISQUERYPROC glIsQuery;
extern PFNGLBEGINQUERYPROC glBeginQuery;
extern PFNGLENDQUERYPROC glEndQuery;
extern PFNGLGETQUERYIVPROC glGetQueryiv;
extern PFNGLGETQUERYOBJECTIVPROC glGetQueryObjectiv;
extern PFNGLGETQUERYOBJECTUIVPROC glGetQueryObjectuiv;
extern PFNGLBINDBUFFERPROC glBindBuffer;
extern PFNGLDELETEBUFFERSPROC glDeleteBuffers;
extern PFNGLGENBUFFERSPROC glGenBuffers;
extern PFNGLISBUFFERPROC glIsBuffer;
extern PFNGLBUFFERDATAPROC glBufferData;
extern PFNGLBUFFERSUBDATAPROC glBufferSubData;
extern PFNGLGETBUFFERSUBDATAPROC glGetBufferSubData;
extern PFNGLMAPBUFFERPROC glMapBuffer;
extern PFNGLUNMAPBUFFERPROC glUnmapBuffer;
extern PFNGLGETBUFFERPARAMETERIVPROC glGetBufferParameteriv;
extern PFNGLGETBUFFERPOINTERVPROC glGetBufferPointerv;

#endif  // GL_VERSION_1_5


// GL 2.0
#ifndef GL_VERSION_2_0
#define GL_VERSION_2_0 1

typedef char    GLchar;

#define GL_BLEND_EQUATION_RGB               GL_BLEND_EQUATION
#define GL_VERTEX_ATTRIB_ARRAY_ENABLED      0x8622
#define GL_VERTEX_ATTRIB_ARRAY_SIZE         0x8623
#define GL_VERTEX_ATTRIB_ARRAY_STRIDE       0x8624
#define GL_VERTEX_ATTRIB_ARRAY_TYPE         0x8625
#define GL_CURRENT_VERTEX_ATTRIB            0x8626
#define GL_VERTEX_PROGRAM_POINT_SIZE        0x8642
#define GL_VERTEX_ATTRIB_ARRAY_POINTER      0x8645
#define GL_STENCIL_BACK_FUNC                0x8800
#define GL_STENCIL_BACK_FAIL                0x8801
#define GL_STENCIL_BACK_PASS_DEPTH_FAIL     0x8802
#define GL_STENCIL_BACK_PASS_DEPTH_PASS     0x8803
#define GL_MAX_DRAW_BUFFERS                 0x8824
#define GL_DRAW_BUFFER0                     0x8825
#define GL_DRAW_BUFFER1                     0x8826
#define GL_DRAW_BUFFER2                     0x8827
#define GL_DRAW_BUFFER3                     0x8828
#define GL_DRAW_BUFFER4                     0x8829
#define GL_DRAW_BUFFER5                     0x882A
#define GL_DRAW_BUFFER6                     0x882B
#define GL_DRAW_BUFFER7                     0x882C
#define GL_DRAW_BUFFER8                     0x882D
#define GL_DRAW_BUFFER9                     0x882E
#define GL_DRAW_BUFFER10                    0x882F
#define GL_DRAW_BUFFER11                    0x8830
#define GL_DRAW_BUFFER12                    0x8831
#define GL_DRAW_BUFFER13                    0x8832
#define GL_DRAW_BUFFER14                    0x8833
#define GL_DRAW_BUFFER15                    0x8834
#define GL_BLEND_EQUATION_ALPHA             0x883D
#define GL_POINT_SPRITE                     0x8861
#define GL_COORD_REPLACE                    0x8862
#define GL_MAX_VERTEX_ATTRIBS               0x8869
#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED   0x886A
#define GL_MAX_TEXTURE_IMAGE_UNITS          0x8872
#define GL_FRAGMENT_SHADER                  0x8B30
#define GL_VERTEX_SHADER                    0x8B31
#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS  0x8B49
#define GL_MAX_VERTEX_UNIFORM_COMPONENTS    0x8B4A
#define GL_MAX_VARYING_FLOATS               0x8B4B
#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS   0x8B4C
#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
#define GL_SHADER_TYPE                      0x8B4F
#define GL_FLOAT_VEC2                       0x8B50
#define GL_FLOAT_VEC3                       0x8B51
#define GL_FLOAT_VEC4                       0x8B52
#define GL_INT_VEC2                         0x8B53
#define GL_INT_VEC3                         0x8B54
#define GL_INT_VEC4                         0x8B55
#define GL_BOOL                             0x8B56
#define GL_BOOL_VEC2                        0x8B57
#define GL_BOOL_VEC3                        0x8B58
#define GL_BOOL_VEC4                        0x8B59
#define GL_FLOAT_MAT2                       0x8B5A
#define GL_FLOAT_MAT3                       0x8B5B
#define GL_FLOAT_MAT4                       0x8B5C
#define GL_SAMPLER_1D                       0x8B5D
#define GL_SAMPLER_2D                       0x8B5E
#define GL_SAMPLER_3D                       0x8B5F
#define GL_SAMPLER_CUBE                     0x8B60
#define GL_SAMPLER_1D_SHADOW                0x8B61
#define GL_SAMPLER_2D_SHADOW                0x8B62
#define GL_DELETE_STATUS                    0x8B80
#define GL_COMPILE_STATUS                   0x8B81
#define GL_LINK_STATUS                      0x8B82
#define GL_VALIDATE_STATUS                  0x8B83
#define GL_INFO_LOG_LENGTH                  0x8B84
#define GL_ATTACHED_SHADERS                 0x8B85
#define GL_ACTIVE_UNIFORMS                  0x8B86
#define GL_ACTIVE_UNIFORM_MAX_LENGTH        0x8B87
#define GL_SHADER_SOURCE_LENGTH             0x8B88
#define GL_ACTIVE_ATTRIBUTES                0x8B89
#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH      0x8B8A
#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT  0x8B8B
#define GL_SHADING_LANGUAGE_VERSION         0x8B8C
#define GL_CURRENT_PROGRAM                  0x8B8D
#define GL_POINT_SPRITE_COORD_ORIGIN        0x8CA0
#define GL_LOWER_LEFT                       0x8CA1
#define GL_UPPER_LEFT                       0x8CA2
#define GL_STENCIL_BACK_REF                 0x8CA3
#define GL_STENCIL_BACK_VALUE_MASK          0x8CA4
#define GL_STENCIL_BACK_WRITEMASK           0x8CA5

typedef void (GLAPIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC) (GLenum modeRGB, GLenum modeAlpha);
typedef void (GLAPIENTRYP PFNGLDRAWBUFFERSPROC) (GLsizei n, const GLenum *bufs);
typedef void (GLAPIENTRYP PFNGLSTENCILOPSEPARATEPROC) (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
typedef void (GLAPIENTRYP PFNGLSTENCILFUNCSEPARATEPROC) (GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask);
typedef void (GLAPIENTRYP PFNGLSTENCILMASKSEPARATEPROC) (GLenum face, GLuint mask);
typedef void (GLAPIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
typedef void (GLAPIENTRYP PFNGLBINDATTRIBLOCATIONPROC) (GLuint program, GLuint index, const GLchar *name);
typedef void (GLAPIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader);
typedef GLuint (GLAPIENTRYP PFNGLCREATEPROGRAMPROC) (void);
typedef GLuint (GLAPIENTRYP PFNGLCREATESHADERPROC) (GLenum type);
typedef void (GLAPIENTRYP PFNGLDELETEPROGRAMPROC) (GLuint program);
typedef void (GLAPIENTRYP PFNGLDELETESHADERPROC) (GLuint shader);
typedef void (GLAPIENTRYP PFNGLDETACHSHADERPROC) (GLuint program, GLuint shader);
typedef void (GLAPIENTRYP PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint index);
typedef void (GLAPIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
typedef void (GLAPIENTRYP PFNGLGETACTIVEATTRIBPROC) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
typedef void (GLAPIENTRYP PFNGLGETACTIVEUNIFORMPROC) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
typedef void (GLAPIENTRYP PFNGLGETATTACHEDSHADERSPROC) (GLuint program, GLsizei maxCount, GLsizei *count, GLuint *obj);
typedef GLint (GLAPIENTRYP PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar *name);
typedef void (GLAPIENTRYP PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params);
typedef void (GLAPIENTRYP PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
typedef void (GLAPIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params);
typedef void (GLAPIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
typedef void (GLAPIENTRYP PFNGLGETSHADERSOURCEPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source);
typedef GLint (GLAPIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name);
typedef void (GLAPIENTRYP PFNGLGETUNIFORMFVPROC) (GLuint program, GLint location, GLfloat *params);
typedef void (GLAPIENTRYP PFNGLGETUNIFORMIVPROC) (GLuint program, GLint location, GLint *params);
typedef void (GLAPIENTRYP PFNGLGETVERTEXATTRIBDVPROC) (GLuint index, GLenum pname, GLdouble *params);
typedef void (GLAPIENTRYP PFNGLGETVERTEXATTRIBFVPROC) (GLuint index, GLenum pname, GLfloat *params);
typedef void (GLAPIENTRYP PFNGLGETVERTEXATTRIBIVPROC) (GLuint index, GLenum pname, GLint *params);
typedef void (GLAPIENTRYP PFNGLGETVERTEXATTRIBPOINTERVPROC) (GLuint index, GLenum pname, GLvoid* *pointer);
typedef GLboolean (GLAPIENTRYP PFNGLISPROGRAMPROC) (GLuint program);
typedef GLboolean (GLAPIENTRYP PFNGLISSHADERPROC) (GLuint shader);
typedef void (GLAPIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program);
typedef void (GLAPIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar* *string, const GLint *length);
typedef void (GLAPIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program);
typedef void (GLAPIENTRYP PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0);
typedef void (GLAPIENTRYP PFNGLUNIFORM2FPROC) (GLint location, GLfloat v0, GLfloat v1);
typedef void (GLAPIENTRYP PFNGLUNIFORM3FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
typedef void (GLAPIENTRYP PFNGLUNIFORM4FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
typedef void (GLAPIENTRYP PFNGLUNIFORM1IPROC) (GLint location, GLint v0);
typedef void (GLAPIENTRYP PFNGLUNIFORM2IPROC) (GLint location, GLint v0, GLint v1);
typedef void (GLAPIENTRYP PFNGLUNIFORM3IPROC) (GLint location, GLint v0, GLint v1, GLint v2);
typedef void (GLAPIENTRYP PFNGLUNIFORM4IPROC) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
typedef void (GLAPIENTRYP PFNGLUNIFORM1FVPROC) (GLint location, GLsizei count, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORM2FVPROC) (GLint location, GLsizei count, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORM3FVPROC) (GLint location, GLsizei count, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORM4FVPROC) (GLint location, GLsizei count, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORM1IVPROC) (GLint location, GLsizei count, const GLint *value);
typedef void (GLAPIENTRYP PFNGLUNIFORM2IVPROC) (GLint location, GLsizei count, const GLint *value);
typedef void (GLAPIENTRYP PFNGLUNIFORM3IVPROC) (GLint location, GLsizei count, const GLint *value);
typedef void (GLAPIENTRYP PFNGLUNIFORM4IVPROC) (GLint location, GLsizei count, const GLint *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX2FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX3FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLVALIDATEPROGRAMPROC) (GLuint program);
typedef void (GLAPIENTRYP PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);

extern PFNGLBLENDEQUATIONSEPARATEPROC glBlendEquationSeparate;
extern PFNGLDRAWBUFFERSPROC glDrawBuffers;
extern PFNGLSTENCILOPSEPARATEPROC glStencilOpSeparate;
extern PFNGLSTENCILFUNCSEPARATEPROC glStencilFuncSeparate;
extern PFNGLSTENCILMASKSEPARATEPROC glStencilMaskSeparate;
extern PFNGLATTACHSHADERPROC glAttachShader;
extern PFNGLBINDATTRIBLOCATIONPROC glBindAttribLocation;
extern PFNGLCOMPILESHADERPROC glCompileShader;
extern PFNGLCREATEPROGRAMPROC glCreateProgram;
extern PFNGLCREATESHADERPROC glCreateShader;
extern PFNGLDELETEPROGRAMPROC glDeleteProgram;
extern PFNGLDELETESHADERPROC glDeleteShader;
extern PFNGLDETACHSHADERPROC glDetachShader;
extern PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray;
extern PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray;
extern PFNGLGETACTIVEATTRIBPROC glGetActiveAttrib;
extern PFNGLGETACTIVEUNIFORMPROC glGetActiveUniform;
extern PFNGLGETATTACHEDSHADERSPROC glGetAttachedShaders;
extern PFNGLGETATTRIBLOCATIONPROC glGetAttribLocation;
extern PFNGLGETPROGRAMIVPROC glGetProgramiv;
extern PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
extern PFNGLGETSHADERIVPROC glGetShaderiv;
extern PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog;
extern PFNGLGETSHADERSOURCEPROC glGetShaderSource;
extern PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation;
extern PFNGLGETUNIFORMFVPROC glGetUniformfv;
extern PFNGLGETUNIFORMIVPROC glGetUniformiv;
extern PFNGLGETVERTEXATTRIBDVPROC glGetVertexAttribdv;
extern PFNGLGETVERTEXATTRIBFVPROC glGetVertexAttribfv;
extern PFNGLGETVERTEXATTRIBIVPROC glGetVertexAttribiv;
extern PFNGLGETVERTEXATTRIBPOINTERVPROC glGetVertexAttribPointerv;
extern PFNGLISPROGRAMPROC glIsProgram;
extern PFNGLISSHADERPROC glIsShader;
extern PFNGLLINKPROGRAMPROC glLinkProgram;
extern PFNGLSHADERSOURCEPROC glShaderSource;
extern PFNGLUSEPROGRAMPROC glUseProgram;
extern PFNGLUNIFORM1FPROC glUniform1f;
extern PFNGLUNIFORM2FPROC glUniform2f;
extern PFNGLUNIFORM3FPROC glUniform3f;
extern PFNGLUNIFORM4FPROC glUniform4f;
extern PFNGLUNIFORM1IPROC glUniform1i;
extern PFNGLUNIFORM2IPROC glUniform2i;
extern PFNGLUNIFORM3IPROC glUniform3i;
extern PFNGLUNIFORM4IPROC glUniform4i;
extern PFNGLUNIFORM1FVPROC glUniform1fv;
extern PFNGLUNIFORM2FVPROC glUniform2fv;
extern PFNGLUNIFORM3FVPROC glUniform3fv;
extern PFNGLUNIFORM4FVPROC glUniform4fv;
extern PFNGLUNIFORM1IVPROC glUniform1iv;
extern PFNGLUNIFORM2IVPROC glUniform2iv;
extern PFNGLUNIFORM3IVPROC glUniform3iv;
extern PFNGLUNIFORM4IVPROC glUniform4iv;
extern PFNGLUNIFORMMATRIX2FVPROC glUniformMatrix2fv;
extern PFNGLUNIFORMMATRIX3FVPROC glUniformMatrix3fv;
extern PFNGLUNIFORMMATRIX4FVPROC glUniformMatrix4fv;
extern PFNGLVALIDATEPROGRAMPROC glValidateProgram;
extern PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer;

#endif  // GL_VERSION_2_0


// GL 2.1
#ifndef GL_VERSION_2_1
#define GL_VERSION_2_1 1

#define GL_CURRENT_RASTER_SECONDARY_COLOR   0x845F
#define GL_PIXEL_PACK_BUFFER                0x88EB
#define GL_PIXEL_UNPACK_BUFFER              0x88EC
#define GL_PIXEL_PACK_BUFFER_BINDING        0x88ED
#define GL_PIXEL_UNPACK_BUFFER_BINDING      0x88EF
#define GL_FLOAT_MAT2x3                     0x8B65
#define GL_FLOAT_MAT2x4                     0x8B66
#define GL_FLOAT_MAT3x2                     0x8B67
#define GL_FLOAT_MAT3x4                     0x8B68
#define GL_FLOAT_MAT4x2                     0x8B69
#define GL_FLOAT_MAT4x3                     0x8B6A
#define GL_SRGB                             0x8C40
#define GL_SRGB8                            0x8C41
#define GL_SRGB_ALPHA                       0x8C42
#define GL_SRGB8_ALPHA8                     0x8C43
#define GL_COMPRESSED_SRGB_ALPHA            0x8C49

typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX2X3FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX3X2FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX2X4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX4X2FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX3X4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
typedef void (GLAPIENTRYP PFNGLUNIFORMMATRIX4X3FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);

extern PFNGLUNIFORMMATRIX2X3FVPROC glUniformMatrix2x3fv;
extern PFNGLUNIFORMMATRIX3X2FVPROC glUniformMatrix3x2fv;
extern PFNGLUNIFORMMATRIX2X4FVPROC glUniformMatrix2x4fv;
extern PFNGLUNIFORMMATRIX4X2FVPROC glUniformMatrix4x2fv;
extern PFNGLUNIFORMMATRIX3X4FVPROC glUniformMatrix3x4fv;
extern PFNGLUNIFORMMATRIX4X3FVPROC glUniformMatrix4x3fv;

#endif  // GL_VERSION_2_1


#ifndef GL_VERSION_3_0
#define GL_VERSION_3_0 1

#define GL_COMPARE_REF_TO_TEXTURE         0x884E
#define GL_CLIP_DISTANCE0                 0x3000
#define GL_CLIP_DISTANCE1                 0x3001
#define GL_CLIP_DISTANCE2                 0x3002
#define GL_CLIP_DISTANCE3                 0x3003
#define GL_CLIP_DISTANCE4                 0x3004
#define GL_CLIP_DISTANCE5                 0x3005
#define GL_CLIP_DISTANCE6                 0x3006
#define GL_CLIP_DISTANCE7                 0x3007
#define GL_MAX_CLIP_DISTANCES             0x0D32
#define GL_MAJOR_VERSION                  0x821B
#define GL_MINOR_VERSION                  0x821C
#define GL_NUM_EXTENSIONS                 0x821D
#define GL_CONTEXT_FLAGS                  0x821E
#define GL_COMPRESSED_RED                 0x8225
#define GL_COMPRESSED_RG                  0x8226
#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x00000001
#define GL_RGBA32F                        0x8814
#define GL_RGB32F                         0x8815
#define GL_RGBA16F                        0x881A
#define GL_RGB16F                         0x881B
#define GL_VERTEX_ATTRIB_ARRAY_INTEGER    0x88FD
#define GL_MAX_ARRAY_TEXTURE_LAYERS       0x88FF
#define GL_MIN_PROGRAM_TEXEL_OFFSET       0x8904
#define GL_MAX_PROGRAM_TEXEL_OFFSET       0x8905
#define GL_CLAMP_READ_COLOR               0x891C
#define GL_FIXED_ONLY                     0x891D
#define GL_MAX_VARYING_COMPONENTS         0x8B4B
#define GL_TEXTURE_1D_ARRAY               0x8C18
#define GL_PROXY_TEXTURE_1D_ARRAY         0x8C19
#define GL_TEXTURE_2D_ARRAY               0x8C1A
#define GL_PROXY_TEXTURE_2D_ARRAY         0x8C1B
#define GL_TEXTURE_BINDING_1D_ARRAY       0x8C1C
#define GL_TEXTURE_BINDING_2D_ARRAY       0x8C1D
#define GL_R11F_G11F_B10F                 0x8C3A
#define GL_UNSIGNED_INT_10F_11F_11F_REV   0x8C3B
#define GL_RGB9_E5                        0x8C3D
#define GL_UNSIGNED_INT_5_9_9_9_REV       0x8C3E
#define GL_TEXTURE_SHARED_SIZE            0x8C3F
#define GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH 0x8C76
#define GL_TRANSFORM_FEEDBACK_BUFFER_MODE 0x8C7F
#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80
#define GL_TRANSFORM_FEEDBACK_VARYINGS    0x8C83
#define GL_TRANSFORM_FEEDBACK_BUFFER_START 0x8C84
#define GL_TRANSFORM_FEEDBACK_BUFFER_SIZE 0x8C85
#define GL_PRIMITIVES_GENERATED           0x8C87
#define GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88
#define GL_RASTERIZER_DISCARD             0x8C89
#define GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A
#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 0x8C8B
#define GL_INTERLEAVED_ATTRIBS            0x8C8C
#define GL_SEPARATE_ATTRIBS               0x8C8D
#define GL_TRANSFORM_FEEDBACK_BUFFER      0x8C8E
#define GL_TRANSFORM_FEEDBACK_BUFFER_BINDING 0x8C8F
#define GL_RGBA32UI                       0x8D70
#define GL_RGB32UI                        0x8D71
#define GL_RGBA16UI                       0x8D76
#define GL_RGB16UI                        0x8D77
#define GL_RGBA8UI                        0x8D7C
#define GL_RGB8UI                         0x8D7D
#define GL_RGBA32I                        0x8D82
#define GL_RGB32I                         0x8D83
#define GL_RGBA16I                        0x8D88
#define GL_RGB16I                         0x8D89
#define GL_RGBA8I                         0x8D8E
#define GL_RGB8I                          0x8D8F
#define GL_RED_INTEGER                    0x8D94
#define GL_GREEN_INTEGER                  0x8D95
#define GL_BLUE_INTEGER                   0x8D96
#define GL_RGB_INTEGER                    0x8D98
#define GL_RGBA_INTEGER                   0x8D99
#define GL_BGR_INTEGER                    0x8D9A
#define GL_BGRA_INTEGER                   0x8D9B
#define GL_SAMPLER_1D_ARRAY               0x8DC0
#define GL_SAMPLER_2D_ARRAY               0x8DC1
#define GL_SAMPLER_1D_ARRAY_SHADOW        0x8DC3
#define GL_SAMPLER_2D_ARRAY_SHADOW        0x8DC4
#define GL_SAMPLER_CUBE_SHADOW            0x8DC5
#define GL_UNSIGNED_INT_VEC2              0x8DC6
#define GL_UNSIGNED_INT_VEC3              0x8DC7
#define GL_UNSIGNED_INT_VEC4              0x8DC8
#define GL_INT_SAMPLER_1D                 0x8DC9
#define GL_INT_SAMPLER_2D                 0x8DCA
#define GL_INT_SAMPLER_3D                 0x8DCB
#define GL_INT_SAMPLER_CUBE               0x8DCC
#define GL_INT_SAMPLER_1D_ARRAY           0x8DCE
#define GL_INT_SAMPLER_2D_ARRAY           0x8DCF
#define GL_UNSIGNED_INT_SAMPLER_1D        0x8DD1
#define GL_UNSIGNED_INT_SAMPLER_2D        0x8DD2
#define GL_UNSIGNED_INT_SAMPLER_3D        0x8DD3
#define GL_UNSIGNED_INT_SAMPLER_CUBE      0x8DD4
#define GL_UNSIGNED_INT_SAMPLER_1D_ARRAY  0x8DD6
#define GL_UNSIGNED_INT_SAMPLER_2D_ARRAY  0x8DD7
#define GL_QUERY_WAIT                     0x8E13
#define GL_QUERY_NO_WAIT                  0x8E14
#define GL_QUERY_BY_REGION_WAIT           0x8E15
#define GL_QUERY_BY_REGION_NO_WAIT        0x8E16
#define GL_BUFFER_ACCESS_FLAGS            0x911F
#define GL_BUFFER_MAP_LENGTH              0x9120
#define GL_BUFFER_MAP_OFFSET              0x9121
#define GL_DEPTH_COMPONENT32F             0x8CAC
#define GL_DEPTH32F_STENCIL8              0x8CAD
#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD
#define GL_INVALID_FRAMEBUFFER_OPERATION  0x0506
#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210
#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211
#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212
#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213
#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214
#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215
#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216
#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217
#define GL_FRAMEBUFFER_DEFAULT            0x8218
#define GL_FRAMEBUFFER_UNDEFINED          0x8219
#define GL_DEPTH_STENCIL_ATTACHMENT       0x821A
#define GL_MAX_RENDERBUFFER_SIZE          0x84E8
#define GL_DEPTH_STENCIL                  0x84F9
#define GL_UNSIGNED_INT_24_8              0x84FA
#define GL_DEPTH24_STENCIL8               0x88F0
#define GL_TEXTURE_STENCIL_SIZE           0x88F1
#define GL_TEXTURE_RED_TYPE               0x8C10
#define GL_TEXTURE_GREEN_TYPE             0x8C11
#define GL_TEXTURE_BLUE_TYPE              0x8C12
#define GL_TEXTURE_ALPHA_TYPE             0x8C13
#define GL_TEXTURE_DEPTH_TYPE             0x8C16
#define GL_UNSIGNED_NORMALIZED            0x8C17
#define GL_FRAMEBUFFER_BINDING            0x8CA6
#define GL_DRAW_FRAMEBUFFER_BINDING       0x8CA6
#define GL_RENDERBUFFER_BINDING           0x8CA7
#define GL_READ_FRAMEBUFFER               0x8CA8
#define GL_DRAW_FRAMEBUFFER               0x8CA9
#define GL_READ_FRAMEBUFFER_BINDING       0x8CAA
#define GL_RENDERBUFFER_SAMPLES           0x8CAB
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4
#define GL_FRAMEBUFFER_COMPLETE           0x8CD5
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB
#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC
#define GL_FRAMEBUFFER_UNSUPPORTED        0x8CDD
#define GL_MAX_COLOR_ATTACHMENTS          0x8CDF
#define GL_COLOR_ATTACHMENT0              0x8CE0
#define GL_COLOR_ATTACHMENT1              0x8CE1
#define GL_COLOR_ATTACHMENT2              0x8CE2
#define GL_COLOR_ATTACHMENT3              0x8CE3
#define GL_COLOR_ATTACHMENT4              0x8CE4
#define GL_COLOR_ATTACHMENT5              0x8CE5
#define GL_COLOR_ATTACHMENT6              0x8CE6
#define GL_COLOR_ATTACHMENT7              0x8CE7
#define GL_COLOR_ATTACHMENT8              0x8CE8
#define GL_COLOR_ATTACHMENT9              0x8CE9
#define GL_COLOR_ATTACHMENT10             0x8CEA
#define GL_COLOR_ATTACHMENT11             0x8CEB
#define GL_COLOR_ATTACHMENT12             0x8CEC
#define GL_COLOR_ATTACHMENT13             0x8CED
#define GL_COLOR_ATTACHMENT14             0x8CEE
#define GL_COLOR_ATTACHMENT15             0x8CEF
#define GL_COLOR_ATTACHMENT16             0x8CF0
#define GL_COLOR_ATTACHMENT17             0x8CF1
#define GL_COLOR_ATTACHMENT18             0x8CF2
#define GL_COLOR_ATTACHMENT19             0x8CF3
#define GL_COLOR_ATTACHMENT20             0x8CF4
#define GL_COLOR_ATTACHMENT21             0x8CF5
#define GL_COLOR_ATTACHMENT22             0x8CF6
#define GL_COLOR_ATTACHMENT23             0x8CF7
#define GL_COLOR_ATTACHMENT24             0x8CF8
#define GL_COLOR_ATTACHMENT25             0x8CF9
#define GL_COLOR_ATTACHMENT26             0x8CFA
#define GL_COLOR_ATTACHMENT27             0x8CFB
#define GL_COLOR_ATTACHMENT28             0x8CFC
#define GL_COLOR_ATTACHMENT29             0x8CFD
#define GL_COLOR_ATTACHMENT30             0x8CFE
#define GL_COLOR_ATTACHMENT31             0x8CFF
#define GL_DEPTH_ATTACHMENT               0x8D00
#define GL_STENCIL_ATTACHMENT             0x8D20
#define GL_FRAMEBUFFER                    0x8D40
#define GL_RENDERBUFFER                   0x8D41
#define GL_RENDERBUFFER_WIDTH             0x8D42
#define GL_RENDERBUFFER_HEIGHT            0x8D43
#define GL_RENDERBUFFER_INTERNAL_FORMAT   0x8D44
#define GL_STENCIL_INDEX1                 0x8D46
#define GL_STENCIL_INDEX4                 0x8D47
#define GL_STENCIL_INDEX8                 0x8D48
#define GL_STENCIL_INDEX16                0x8D49
#define GL_RENDERBUFFER_RED_SIZE          0x8D50
#define GL_RENDERBUFFER_GREEN_SIZE        0x8D51
#define GL_RENDERBUFFER_BLUE_SIZE         0x8D52
#define GL_RENDERBUFFER_ALPHA_SIZE        0x8D53
#define GL_RENDERBUFFER_DEPTH_SIZE        0x8D54
#define GL_RENDERBUFFER_STENCIL_SIZE      0x8D55
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56
#define GL_MAX_SAMPLES                    0x8D57
#define GL_INDEX                          0x8222
#define GL_TEXTURE_LUMINANCE_TYPE         0x8C14
#define GL_TEXTURE_INTENSITY_TYPE         0x8C15
#define GL_FRAMEBUFFER_SRGB               0x8DB9
#define GL_HALF_FLOAT                     0x140B
#define GL_MAP_READ_BIT                   0x0001
#define GL_MAP_WRITE_BIT                  0x0002
#define GL_MAP_INVALIDATE_RANGE_BIT       0x0004
#define GL_MAP_INVALIDATE_BUFFER_BIT      0x0008
#define GL_MAP_FLUSH_EXPLICIT_BIT         0x0010
#define GL_MAP_UNSYNCHRONIZED_BIT         0x0020
#define GL_COMPRESSED_RED_RGTC1           0x8DBB
#define GL_COMPRESSED_SIGNED_RED_RGTC1    0x8DBC
#define GL_COMPRESSED_RG_RGTC2            0x8DBD
#define GL_COMPRESSED_SIGNED_RG_RGTC2     0x8DBE
#define GL_RG                             0x8227
#define GL_RG_INTEGER                     0x8228
#define GL_R8                             0x8229
#define GL_R16                            0x822A
#define GL_RG8                            0x822B
#define GL_RG16                           0x822C
#define GL_R16F                           0x822D
#define GL_R32F                           0x822E
#define GL_RG16F                          0x822F
#define GL_RG32F                          0x8230
#define GL_R8I                            0x8231
#define GL_R8UI                           0x8232
#define GL_R16I                           0x8233
#define GL_R16UI                          0x8234
#define GL_R32I                           0x8235
#define GL_R32UI                          0x8236
#define GL_RG8I                           0x8237
#define GL_RG8UI                          0x8238
#define GL_RG16I                          0x8239
#define GL_RG16UI                         0x823A
#define GL_RG32I                          0x823B
#define GL_RG32UI                         0x823C
#define GL_VERTEX_ARRAY_BINDING           0x85B5
#define GL_CLAMP_VERTEX_COLOR             0x891A
#define GL_CLAMP_FRAGMENT_COLOR           0x891B
#define GL_ALPHA_INTEGER                  0x8D97

typedef void (GLAPIENTRYP PFNGLCOLORMASKIPROC)( GLuint index, GLboolean r, GLboolean g, GLboolean b, GLboolean a );
typedef void ( GLAPIENTRYP PFNGLGETBOOLEANI_VPROC ) ( GLenum target, GLuint index, GLboolean *data );
typedef void ( GLAPIENTRYP PFNGLGETINTEGERI_VPROC ) ( GLenum target, GLuint index, GLint *data );
typedef void ( GLAPIENTRYP PFNGLENABLEIPROC ) ( GLenum target, GLuint index );
typedef void ( GLAPIENTRYP PFNGLDISABLEIPROC ) ( GLenum target, GLuint index );
typedef GLboolean( GLAPIENTRYP PFNGLISENABLEDIPROC ) ( GLenum target, GLuint index );
typedef void ( GLAPIENTRYP PFNGLBEGINTRANSFORMFEEDBACKPROC ) ( GLenum primitiveMode );
typedef void ( GLAPIENTRYP PFNGLENDTRANSFORMFEEDBACKPROC ) ( void );
typedef void ( GLAPIENTRYP PFNGLBINDBUFFERRANGEPROC ) ( GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size );
typedef void ( GLAPIENTRYP PFNGLBINDBUFFERBASEPROC ) ( GLenum target, GLuint index, GLuint buffer );
typedef void ( GLAPIENTRYP PFNGLTRANSFORMFEEDBACKVARYINGSPROC ) ( GLuint program, GLsizei count, const GLchar *const*varyings, GLenum bufferMode );
typedef void ( GLAPIENTRYP PFNGLGETTRANSFORMFEEDBACKVARYINGPROC ) ( GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name );
typedef void ( GLAPIENTRYP PFNGLCLAMPCOLORPROC ) ( GLenum target, GLenum clamp );
typedef void ( GLAPIENTRYP PFNGLBEGINCONDITIONALRENDERPROC ) ( GLuint id, GLenum mode );
typedef void ( GLAPIENTRYP PFNGLENDCONDITIONALRENDERPROC ) ( void );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBIPOINTERPROC ) ( GLuint index, GLint size, GLenum type, GLsizei stride, const void *pointer );
typedef void ( GLAPIENTRYP PFNGLGETVERTEXATTRIBIIVPROC ) ( GLuint index, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETVERTEXATTRIBIUIVPROC ) ( GLuint index, GLenum pname, GLuint *params );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI1IPROC ) ( GLuint index, GLint x );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI2IPROC ) ( GLuint index, GLint x, GLint y );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI3IPROC ) ( GLuint index, GLint x, GLint y, GLint z );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4IPROC ) ( GLuint index, GLint x, GLint y, GLint z, GLint w );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI1UIPROC ) ( GLuint index, GLuint x );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI2UIPROC ) ( GLuint index, GLuint x, GLuint y );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI3UIPROC ) ( GLuint index, GLuint x, GLuint y, GLuint z );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4UIPROC ) ( GLuint index, GLuint x, GLuint y, GLuint z, GLuint w );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI1IVPROC ) ( GLuint index, const GLint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI2IVPROC ) ( GLuint index, const GLint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI3IVPROC ) ( GLuint index, const GLint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4IVPROC ) ( GLuint index, const GLint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI1UIVPROC ) ( GLuint index, const GLuint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI2UIVPROC ) ( GLuint index, const GLuint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI3UIVPROC ) ( GLuint index, const GLuint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4UIVPROC ) ( GLuint index, const GLuint *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4BVPROC ) ( GLuint index, const GLbyte *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4SVPROC ) ( GLuint index, const GLshort *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4UBVPROC ) ( GLuint index, const GLubyte *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBI4USVPROC ) ( GLuint index, const GLushort *v );
typedef void ( GLAPIENTRYP PFNGLGETUNIFORMUIVPROC ) ( GLuint program, GLint location, GLuint *params );
typedef void ( GLAPIENTRYP PFNGLBINDFRAGDATALOCATIONPROC ) ( GLuint program, GLuint color, const GLchar *name );
typedef GLint( GLAPIENTRYP PFNGLGETFRAGDATALOCATIONPROC ) ( GLuint program, const GLchar *name );
typedef void ( GLAPIENTRYP PFNGLUNIFORM1UIPROC ) ( GLint location, GLuint v0 );
typedef void ( GLAPIENTRYP PFNGLUNIFORM2UIPROC ) ( GLint location, GLuint v0, GLuint v1 );
typedef void ( GLAPIENTRYP PFNGLUNIFORM3UIPROC ) ( GLint location, GLuint v0, GLuint v1, GLuint v2 );
typedef void ( GLAPIENTRYP PFNGLUNIFORM4UIPROC ) ( GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3 );
typedef void ( GLAPIENTRYP PFNGLUNIFORM1UIVPROC ) ( GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORM2UIVPROC ) ( GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORM3UIVPROC ) ( GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORM4UIVPROC ) ( GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLTEXPARAMETERIIVPROC ) ( GLenum target, GLenum pname, const GLint *params );
typedef void ( GLAPIENTRYP PFNGLTEXPARAMETERIUIVPROC ) ( GLenum target, GLenum pname, const GLuint *params );
typedef void ( GLAPIENTRYP PFNGLGETTEXPARAMETERIIVPROC ) ( GLenum target, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETTEXPARAMETERIUIVPROC ) ( GLenum target, GLenum pname, GLuint *params );
typedef void ( GLAPIENTRYP PFNGLCLEARBUFFERIVPROC ) ( GLenum buffer, GLint drawbuffer, const GLint *value );
typedef void ( GLAPIENTRYP PFNGLCLEARBUFFERUIVPROC ) ( GLenum buffer, GLint drawbuffer, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLCLEARBUFFERFVPROC ) ( GLenum buffer, GLint drawbuffer, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLCLEARBUFFERFIPROC ) ( GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil );
typedef const GLubyte *( GLAPIENTRYP PFNGLGETSTRINGIPROC ) ( GLenum name, GLuint index );
typedef GLboolean( GLAPIENTRYP PFNGLISRENDERBUFFERPROC ) ( GLuint renderbuffer );
typedef void ( GLAPIENTRYP PFNGLBINDRENDERBUFFERPROC ) ( GLenum target, GLuint renderbuffer );
typedef void ( GLAPIENTRYP PFNGLDELETERENDERBUFFERSPROC ) ( GLsizei n, const GLuint *renderbuffers );
typedef void ( GLAPIENTRYP PFNGLGENRENDERBUFFERSPROC ) ( GLsizei n, GLuint *renderbuffers );
typedef void ( GLAPIENTRYP PFNGLRENDERBUFFERSTORAGEPROC ) ( GLenum target, GLenum internalformat, GLsizei width, GLsizei height );
typedef void ( GLAPIENTRYP PFNGLGETRENDERBUFFERPARAMETERIVPROC ) ( GLenum target, GLenum pname, GLint *params );
typedef GLboolean( GLAPIENTRYP PFNGLISFRAMEBUFFERPROC ) ( GLuint framebuffer );
typedef void ( GLAPIENTRYP PFNGLBINDFRAMEBUFFERPROC ) ( GLenum target, GLuint framebuffer );
typedef void ( GLAPIENTRYP PFNGLDELETEFRAMEBUFFERSPROC ) ( GLsizei n, const GLuint *framebuffers );
typedef void ( GLAPIENTRYP PFNGLGENFRAMEBUFFERSPROC ) ( GLsizei n, GLuint *framebuffers );
typedef GLenum( GLAPIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSPROC ) ( GLenum target );
typedef void ( GLAPIENTRYP PFNGLFRAMEBUFFERTEXTURE1DPROC ) ( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level );
typedef void ( GLAPIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC ) ( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level );
typedef void ( GLAPIENTRYP PFNGLFRAMEBUFFERTEXTURE3DPROC ) ( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset );
typedef void ( GLAPIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC ) ( GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer );
typedef void ( GLAPIENTRYP PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC ) ( GLenum target, GLenum attachment, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGENERATEMIPMAPPROC ) ( GLenum target );
typedef void ( GLAPIENTRYP PFNGLBLITFRAMEBUFFERPROC ) ( GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter );
typedef void ( GLAPIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC ) ( GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height );
typedef void ( GLAPIENTRYP PFNGLFRAMEBUFFERTEXTURELAYERPROC ) ( GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer );
typedef void *( GLAPIENTRYP PFNGLMAPBUFFERRANGEPROC ) ( GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access );
typedef void ( GLAPIENTRYP PFNGLFLUSHMAPPEDBUFFERRANGEPROC ) ( GLenum target, GLintptr offset, GLsizeiptr length );
typedef void ( GLAPIENTRYP PFNGLBINDVERTEXARRAYPROC ) ( GLuint array );
typedef void ( GLAPIENTRYP PFNGLDELETEVERTEXARRAYSPROC ) ( GLsizei n, const GLuint *arrays );
typedef void ( GLAPIENTRYP PFNGLGENVERTEXARRAYSPROC ) ( GLsizei n, GLuint *arrays );
typedef GLboolean( GLAPIENTRYP PFNGLISVERTEXARRAYPROC ) ( GLuint array );

extern PFNGLCOLORMASKIPROC glColorMaski;
extern PFNGLGETBOOLEANI_VPROC glGetBooleani_v;
extern PFNGLGETINTEGERI_VPROC glGetIntegeri_v;
extern PFNGLENABLEIPROC glEnablei;
extern PFNGLDISABLEIPROC glDisablei;
extern PFNGLISENABLEDIPROC glIsEnabledi;
extern PFNGLBEGINTRANSFORMFEEDBACKPROC glBeginTransformFeedback;
extern PFNGLENDTRANSFORMFEEDBACKPROC glEndTransformFeedback;
extern PFNGLBINDBUFFERRANGEPROC glBindBufferRange;
extern PFNGLBINDBUFFERBASEPROC glBindBufferBase;
extern PFNGLTRANSFORMFEEDBACKVARYINGSPROC glTransformFeedbackVaryings;
extern PFNGLGETTRANSFORMFEEDBACKVARYINGPROC glGetTransformFeedbackVarying;
extern PFNGLCLAMPCOLORPROC glClampColor;
extern PFNGLBEGINCONDITIONALRENDERPROC glBeginConditionalRender;
extern PFNGLENDCONDITIONALRENDERPROC glEndConditionalRender;
extern PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer;
extern PFNGLGETVERTEXATTRIBIIVPROC glGetVertexAttribIiv;
extern PFNGLGETVERTEXATTRIBIUIVPROC glGetVertexAttribIuiv;
extern PFNGLVERTEXATTRIBI1IPROC glVertexAttribI1i;
extern PFNGLVERTEXATTRIBI2IPROC glVertexAttribI2i;
extern PFNGLVERTEXATTRIBI3IPROC glVertexAttribI3i;
extern PFNGLVERTEXATTRIBI4IPROC glVertexAttribI4i;
extern PFNGLVERTEXATTRIBI1UIPROC glVertexAttribI1ui;
extern PFNGLVERTEXATTRIBI2UIPROC glVertexAttribI2ui;
extern PFNGLVERTEXATTRIBI3UIPROC glVertexAttribI3ui;
extern PFNGLVERTEXATTRIBI4UIPROC glVertexAttribI4ui;
extern PFNGLVERTEXATTRIBI1IVPROC glVertexAttribI1iv;
extern PFNGLVERTEXATTRIBI2IVPROC glVertexAttribI2iv;
extern PFNGLVERTEXATTRIBI3IVPROC glVertexAttribI3iv;
extern PFNGLVERTEXATTRIBI4IVPROC glVertexAttribI4iv;
extern PFNGLVERTEXATTRIBI1UIVPROC glVertexAttribI1uiv;
extern PFNGLVERTEXATTRIBI2UIVPROC glVertexAttribI2uiv;
extern PFNGLVERTEXATTRIBI3UIVPROC glVertexAttribI3uiv;
extern PFNGLVERTEXATTRIBI4UIVPROC glVertexAttribI4uiv;
extern PFNGLVERTEXATTRIBI4BVPROC glVertexAttribI4bv;
extern PFNGLVERTEXATTRIBI4SVPROC glVertexAttribI4sv;
extern PFNGLVERTEXATTRIBI4UBVPROC glVertexAttribI4ubv;
extern PFNGLVERTEXATTRIBI4USVPROC glVertexAttribI4usv;
extern PFNGLGETUNIFORMUIVPROC glGetUniformuiv;
extern PFNGLBINDFRAGDATALOCATIONPROC glBindFragDataLocation;
extern PFNGLGETFRAGDATALOCATIONPROC glGetFragDataLocation;
extern PFNGLUNIFORM1UIPROC glUniform1ui;
extern PFNGLUNIFORM2UIPROC glUniform2ui;
extern PFNGLUNIFORM3UIPROC glUniform3ui;
extern PFNGLUNIFORM4UIPROC glUniform4ui;
extern PFNGLUNIFORM1UIVPROC glUniform1uiv;
extern PFNGLUNIFORM2UIVPROC glUniform2uiv;
extern PFNGLUNIFORM3UIVPROC glUniform3uiv;
extern PFNGLUNIFORM4UIVPROC glUniform4uiv;
extern PFNGLTEXPARAMETERIIVPROC glTexParameterIiv;
extern PFNGLTEXPARAMETERIUIVPROC glTexParameterIuiv;
extern PFNGLGETTEXPARAMETERIIVPROC glGetTexParameterIiv;
extern PFNGLGETTEXPARAMETERIUIVPROC glGetTexParameterIuiv;
extern PFNGLCLEARBUFFERIVPROC glClearBufferiv;
extern PFNGLCLEARBUFFERUIVPROC glClearBufferuiv;
extern PFNGLCLEARBUFFERFVPROC glClearBufferfv;
extern PFNGLCLEARBUFFERFIPROC glClearBufferfi;
extern PFNGLGETSTRINGIPROC glGetStringi;
extern PFNGLISRENDERBUFFERPROC glIsRenderbuffer;
extern PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
extern PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
extern PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
extern PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;
extern PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv;
extern PFNGLISFRAMEBUFFERPROC glIsFramebuffer;
extern PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
extern PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
extern PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
extern PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus;
extern PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D;
extern PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D;
extern PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D;
extern PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv;
extern PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
extern PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample;
extern PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer;
extern PFNGLMAPBUFFERRANGEPROC glMapBufferRange;
extern PFNGLFLUSHMAPPEDBUFFERRANGEPROC glFlushMappedBufferRange;
extern PFNGLBINDVERTEXARRAYPROC glBindVertexArray;
extern PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays;
extern PFNGLGENVERTEXARRAYSPROC glGenVertexArrays;
extern PFNGLISVERTEXARRAYPROC glIsVertexArray;

#endif // GL_VERSION_3_0


#ifndef GL_VERSION_3_1
#define GL_VERSION_3_1 1

#define GL_SAMPLER_2D_RECT                0x8B63
#define GL_SAMPLER_2D_RECT_SHADOW         0x8B64
#define GL_SAMPLER_BUFFER                 0x8DC2
#define GL_INT_SAMPLER_2D_RECT            0x8DCD
#define GL_INT_SAMPLER_BUFFER             0x8DD0
#define GL_UNSIGNED_INT_SAMPLER_2D_RECT   0x8DD5
#define GL_UNSIGNED_INT_SAMPLER_BUFFER    0x8DD8
#define GL_TEXTURE_BUFFER                 0x8C2A
#define GL_MAX_TEXTURE_BUFFER_SIZE        0x8C2B
#define GL_TEXTURE_BINDING_BUFFER         0x8C2C
#define GL_TEXTURE_BUFFER_DATA_STORE_BINDING 0x8C2D
#define GL_TEXTURE_RECTANGLE              0x84F5
#define GL_TEXTURE_BINDING_RECTANGLE      0x84F6
#define GL_PROXY_TEXTURE_RECTANGLE        0x84F7
#define GL_MAX_RECTANGLE_TEXTURE_SIZE     0x84F8
#define GL_R8_SNORM                       0x8F94
#define GL_RG8_SNORM                      0x8F95
#define GL_RGB8_SNORM                     0x8F96
#define GL_RGBA8_SNORM                    0x8F97
#define GL_R16_SNORM                      0x8F98
#define GL_RG16_SNORM                     0x8F99
#define GL_RGB16_SNORM                    0x8F9A
#define GL_RGBA16_SNORM                   0x8F9B
#define GL_SIGNED_NORMALIZED              0x8F9C
#define GL_PRIMITIVE_RESTART              0x8F9D
#define GL_PRIMITIVE_RESTART_INDEX        0x8F9E
#define GL_COPY_READ_BUFFER               0x8F36
#define GL_COPY_WRITE_BUFFER              0x8F37
#define GL_UNIFORM_BUFFER                 0x8A11
#define GL_UNIFORM_BUFFER_BINDING         0x8A28
#define GL_UNIFORM_BUFFER_START           0x8A29
#define GL_UNIFORM_BUFFER_SIZE            0x8A2A
#define GL_MAX_VERTEX_UNIFORM_BLOCKS      0x8A2B
#define GL_MAX_GEOMETRY_UNIFORM_BLOCKS    0x8A2C
#define GL_MAX_FRAGMENT_UNIFORM_BLOCKS    0x8A2D
#define GL_MAX_COMBINED_UNIFORM_BLOCKS    0x8A2E
#define GL_MAX_UNIFORM_BUFFER_BINDINGS    0x8A2F
#define GL_MAX_UNIFORM_BLOCK_SIZE         0x8A30
#define GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS 0x8A31
#define GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS 0x8A32
#define GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS 0x8A33
#define GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT 0x8A34
#define GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH 0x8A35
#define GL_ACTIVE_UNIFORM_BLOCKS          0x8A36
#define GL_UNIFORM_TYPE                   0x8A37
#define GL_UNIFORM_SIZE                   0x8A38
#define GL_UNIFORM_NAME_LENGTH            0x8A39
#define GL_UNIFORM_BLOCK_INDEX            0x8A3A
#define GL_UNIFORM_OFFSET                 0x8A3B
#define GL_UNIFORM_ARRAY_STRIDE           0x8A3C
#define GL_UNIFORM_MATRIX_STRIDE          0x8A3D
#define GL_UNIFORM_IS_ROW_MAJOR           0x8A3E
#define GL_UNIFORM_BLOCK_BINDING          0x8A3F
#define GL_UNIFORM_BLOCK_DATA_SIZE        0x8A40
#define GL_UNIFORM_BLOCK_NAME_LENGTH      0x8A41
#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS  0x8A42
#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES 0x8A43
#define GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER 0x8A44
#define GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER 0x8A45
#define GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER 0x8A46
#define GL_INVALID_INDEX                  0xFFFFFFFFu

typedef void ( GLAPIENTRYP PFNGLDRAWARRAYSINSTANCEDPROC ) ( GLenum mode, GLint first, GLsizei count, GLsizei instancecount );
typedef void ( GLAPIENTRYP PFNGLDRAWELEMENTSINSTANCEDPROC ) ( GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount );
typedef void ( GLAPIENTRYP PFNGLTEXBUFFERPROC ) ( GLenum target, GLenum internalformat, GLuint buffer );
typedef void ( GLAPIENTRYP PFNGLPRIMITIVERESTARTINDEXPROC ) ( GLuint index );
typedef void ( GLAPIENTRYP PFNGLCOPYBUFFERSUBDATAPROC ) ( GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size );
typedef void ( GLAPIENTRYP PFNGLGETUNIFORMINDICESPROC ) ( GLuint program, GLsizei uniformCount, const GLchar *const*uniformNames, GLuint *uniformIndices );
typedef void ( GLAPIENTRYP PFNGLGETACTIVEUNIFORMSIVPROC ) ( GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETACTIVEUNIFORMNAMEPROC ) ( GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformName );
typedef GLuint( GLAPIENTRYP PFNGLGETUNIFORMBLOCKINDEXPROC ) ( GLuint program, const GLchar *uniformBlockName );
typedef void ( GLAPIENTRYP PFNGLGETACTIVEUNIFORMBLOCKIVPROC ) ( GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC ) ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName );
typedef void ( GLAPIENTRYP PFNGLUNIFORMBLOCKBINDINGPROC ) ( GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding );

extern PFNGLDRAWARRAYSINSTANCEDPROC glDrawArraysInstanced;
extern PFNGLDRAWELEMENTSINSTANCEDPROC glDrawElementsInstanced;
extern PFNGLTEXBUFFERPROC glTexBuffer;
extern PFNGLPRIMITIVERESTARTINDEXPROC glPrimitiveRestartIndex;
extern PFNGLCOPYBUFFERSUBDATAPROC glCopyBufferSubData;
extern PFNGLGETUNIFORMINDICESPROC glGetUniformIndices;
extern PFNGLGETACTIVEUNIFORMSIVPROC glGetActiveUniformsiv;
extern PFNGLGETACTIVEUNIFORMNAMEPROC glGetActiveUniformName;
extern PFNGLGETUNIFORMBLOCKINDEXPROC glGetUniformBlockIndex;
extern PFNGLGETACTIVEUNIFORMBLOCKIVPROC glGetActiveUniformBlockiv;
extern PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glGetActiveUniformBlockName;
extern PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBinding;

#endif /* GL_VERSION_3_1 */


#ifndef GL_VERSION_3_2
#define GL_VERSION_3_2 1

typedef struct __GLsync *GLsync;

#define GL_CONTEXT_CORE_PROFILE_BIT       0x00000001
#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002
#define GL_LINES_ADJACENCY                0x000A
#define GL_LINE_STRIP_ADJACENCY           0x000B
#define GL_TRIANGLES_ADJACENCY            0x000C
#define GL_TRIANGLE_STRIP_ADJACENCY       0x000D
#define GL_PROGRAM_POINT_SIZE             0x8642
#define GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS 0x8C29
#define GL_FRAMEBUFFER_ATTACHMENT_LAYERED 0x8DA7
#define GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS 0x8DA8
#define GL_GEOMETRY_SHADER                0x8DD9
#define GL_GEOMETRY_VERTICES_OUT          0x8916
#define GL_GEOMETRY_INPUT_TYPE            0x8917
#define GL_GEOMETRY_OUTPUT_TYPE           0x8918
#define GL_MAX_GEOMETRY_UNIFORM_COMPONENTS 0x8DDF
#define GL_MAX_GEOMETRY_OUTPUT_VERTICES   0x8DE0
#define GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 0x8DE1
#define GL_MAX_VERTEX_OUTPUT_COMPONENTS   0x9122
#define GL_MAX_GEOMETRY_INPUT_COMPONENTS  0x9123
#define GL_MAX_GEOMETRY_OUTPUT_COMPONENTS 0x9124
#define GL_MAX_FRAGMENT_INPUT_COMPONENTS  0x9125
#define GL_CONTEXT_PROFILE_MASK           0x9126
#define GL_DEPTH_CLAMP                    0x864F
#define GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION 0x8E4C
#define GL_FIRST_VERTEX_CONVENTION        0x8E4D
#define GL_LAST_VERTEX_CONVENTION         0x8E4E
#define GL_PROVOKING_VERTEX               0x8E4F
#define GL_TEXTURE_CUBE_MAP_SEAMLESS      0x884F
#define GL_MAX_SERVER_WAIT_TIMEOUT        0x9111
#define GL_OBJECT_TYPE                    0x9112
#define GL_SYNC_CONDITION                 0x9113
#define GL_SYNC_STATUS                    0x9114
#define GL_SYNC_FLAGS                     0x9115
#define GL_SYNC_FENCE                     0x9116
#define GL_SYNC_GPU_COMMANDS_COMPLETE     0x9117
#define GL_UNSIGNALED                     0x9118
#define GL_SIGNALED                       0x9119
#define GL_ALREADY_SIGNALED               0x911A
#define GL_TIMEOUT_EXPIRED                0x911B
#define GL_CONDITION_SATISFIED            0x911C
#define GL_WAIT_FAILED                    0x911D
#define GL_TIMEOUT_IGNORED                0xFFFFFFFFFFFFFFFFull
#define GL_SYNC_FLUSH_COMMANDS_BIT        0x00000001
#define GL_SAMPLE_POSITION                0x8E50
#define GL_SAMPLE_MASK                    0x8E51
#define GL_SAMPLE_MASK_VALUE              0x8E52
#define GL_MAX_SAMPLE_MASK_WORDS          0x8E59
#define GL_TEXTURE_2D_MULTISAMPLE         0x9100
#define GL_PROXY_TEXTURE_2D_MULTISAMPLE   0x9101
#define GL_TEXTURE_2D_MULTISAMPLE_ARRAY   0x9102
#define GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9103
#define GL_TEXTURE_BINDING_2D_MULTISAMPLE 0x9104
#define GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY 0x9105
#define GL_TEXTURE_SAMPLES                0x9106
#define GL_TEXTURE_FIXED_SAMPLE_LOCATIONS 0x9107
#define GL_SAMPLER_2D_MULTISAMPLE         0x9108
#define GL_INT_SAMPLER_2D_MULTISAMPLE     0x9109
#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A
#define GL_SAMPLER_2D_MULTISAMPLE_ARRAY   0x910B
#define GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910C
#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910D
#define GL_MAX_COLOR_TEXTURE_SAMPLES      0x910E
#define GL_MAX_DEPTH_TEXTURE_SAMPLES      0x910F
#define GL_MAX_INTEGER_SAMPLES            0x9110

typedef void ( GLAPIENTRYP PFNGLDRAWELEMENTSBASEVERTEXPROC ) ( GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex );
typedef void ( GLAPIENTRYP PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC ) ( GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices, GLint basevertex );
typedef void ( GLAPIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC ) ( GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLint basevertex );
typedef void ( GLAPIENTRYP PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC ) ( GLenum mode, const GLsizei *count, GLenum type, const void *const*indices, GLsizei drawcount, const GLint *basevertex );
typedef void ( GLAPIENTRYP PFNGLPROVOKINGVERTEXPROC ) ( GLenum mode );
typedef GLsync ( GLAPIENTRYP PFNGLFENCESYNCPROC ) ( GLenum condition, GLbitfield flags );
typedef GLboolean ( GLAPIENTRYP PFNGLISSYNCPROC ) ( GLsync sync );
typedef void ( GLAPIENTRYP PFNGLDELETESYNCPROC ) ( GLsync sync );
typedef GLenum ( GLAPIENTRYP PFNGLCLIENTWAITSYNCPROC ) ( GLsync sync, GLbitfield flags, GLuint64 timeout );
typedef void ( GLAPIENTRYP PFNGLWAITSYNCPROC ) ( GLsync sync, GLbitfield flags, GLuint64 timeout );
typedef void ( GLAPIENTRYP PFNGLGETINTEGER64VPROC ) ( GLenum pname, GLint64 *data );
typedef void ( GLAPIENTRYP PFNGLGETSYNCIVPROC ) ( GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values );
typedef void ( GLAPIENTRYP PFNGLGETINTEGER64I_VPROC ) ( GLenum target, GLuint index, GLint64 *data );
typedef void ( GLAPIENTRYP PFNGLGETBUFFERPARAMETERI64VPROC ) ( GLenum target, GLenum pname, GLint64 *params );
typedef void ( GLAPIENTRYP PFNGLFRAMEBUFFERTEXTUREPROC ) ( GLenum target, GLenum attachment, GLuint texture, GLint level );
typedef void ( GLAPIENTRYP PFNGLTEXIMAGE2DMULTISAMPLEPROC ) ( GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations );
typedef void ( GLAPIENTRYP PFNGLTEXIMAGE3DMULTISAMPLEPROC ) ( GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations );
typedef void ( GLAPIENTRYP PFNGLGETMULTISAMPLEFVPROC ) ( GLenum pname, GLuint index, GLfloat *val );
typedef void ( GLAPIENTRYP PFNGLSAMPLEMASKIPROC ) ( GLuint maskNumber, GLbitfield mask );

extern PFNGLDRAWELEMENTSBASEVERTEXPROC glDrawElementsBaseVertex;
extern PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC glDrawRangeElementsBaseVertex;
extern PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glDrawElementsInstancedBaseVertex;
extern PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC glMultiDrawElementsBaseVertex;
extern PFNGLPROVOKINGVERTEXPROC glProvokingVertex;
extern PFNGLFENCESYNCPROC glFenceSync;
extern PFNGLISSYNCPROC glIsSync;
extern PFNGLDELETESYNCPROC glDeleteSync;
extern PFNGLCLIENTWAITSYNCPROC glClientWaitSync;
extern PFNGLWAITSYNCPROC glWaitSync;
extern PFNGLGETINTEGER64VPROC glGetInteger64v;
extern PFNGLGETSYNCIVPROC glGetSynciv;
extern PFNGLGETINTEGER64I_VPROC glGetInteger64i_v;
extern PFNGLGETBUFFERPARAMETERI64VPROC glGetBufferParameteri64v;
extern PFNGLFRAMEBUFFERTEXTUREPROC glFramebufferTexture;
extern PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample;
extern PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample;
extern PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv;
extern PFNGLSAMPLEMASKIPROC glSampleMaski;

#endif // GL_VERSION_3_2


#ifndef GL_VERSION_3_3
#define GL_VERSION_3_3 1

#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR    0x88FE
#define GL_SRC1_COLOR                     0x88F9
#define GL_ONE_MINUS_SRC1_COLOR           0x88FA
#define GL_ONE_MINUS_SRC1_ALPHA           0x88FB
#define GL_MAX_DUAL_SOURCE_DRAW_BUFFERS   0x88FC
#define GL_ANY_SAMPLES_PASSED             0x8C2F
#define GL_SAMPLER_BINDING                0x8919
#define GL_RGB10_A2UI                     0x906F
#define GL_TEXTURE_SWIZZLE_R              0x8E42
#define GL_TEXTURE_SWIZZLE_G              0x8E43
#define GL_TEXTURE_SWIZZLE_B              0x8E44
#define GL_TEXTURE_SWIZZLE_A              0x8E45
#define GL_TEXTURE_SWIZZLE_RGBA           0x8E46
#define GL_TIME_ELAPSED                   0x88BF
#define GL_TIMESTAMP                      0x8E28
#define GL_INT_2_10_10_10_REV             0x8D9F

typedef void ( GLAPIENTRYP PFNGLBINDFRAGDATALOCATIONINDEXEDPROC ) ( GLuint program, GLuint colorNumber, GLuint index, const GLchar *name );
typedef GLint( GLAPIENTRYP PFNGLGETFRAGDATAINDEXPROC ) ( GLuint program, const GLchar *name );
typedef void ( GLAPIENTRYP PFNGLGENSAMPLERSPROC ) ( GLsizei count, GLuint *samplers );
typedef void ( GLAPIENTRYP PFNGLDELETESAMPLERSPROC ) ( GLsizei count, const GLuint *samplers );
typedef GLboolean( GLAPIENTRYP PFNGLISSAMPLERPROC ) ( GLuint sampler );
typedef void ( GLAPIENTRYP PFNGLBINDSAMPLERPROC ) ( GLuint unit, GLuint sampler );
typedef void ( GLAPIENTRYP PFNGLSAMPLERPARAMETERIPROC ) ( GLuint sampler, GLenum pname, GLint param );
typedef void ( GLAPIENTRYP PFNGLSAMPLERPARAMETERIVPROC ) ( GLuint sampler, GLenum pname, const GLint *param );
typedef void ( GLAPIENTRYP PFNGLSAMPLERPARAMETERFPROC ) ( GLuint sampler, GLenum pname, GLfloat param );
typedef void ( GLAPIENTRYP PFNGLSAMPLERPARAMETERFVPROC ) ( GLuint sampler, GLenum pname, const GLfloat *param );
typedef void ( GLAPIENTRYP PFNGLSAMPLERPARAMETERIIVPROC ) ( GLuint sampler, GLenum pname, const GLint *param );
typedef void ( GLAPIENTRYP PFNGLSAMPLERPARAMETERIUIVPROC ) ( GLuint sampler, GLenum pname, const GLuint *param );
typedef void ( GLAPIENTRYP PFNGLGETSAMPLERPARAMETERIVPROC ) ( GLuint sampler, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETSAMPLERPARAMETERIIVPROC ) ( GLuint sampler, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETSAMPLERPARAMETERFVPROC ) ( GLuint sampler, GLenum pname, GLfloat *params );
typedef void ( GLAPIENTRYP PFNGLGETSAMPLERPARAMETERIUIVPROC ) ( GLuint sampler, GLenum pname, GLuint *params );
typedef void ( GLAPIENTRYP PFNGLQUERYCOUNTERPROC ) ( GLuint id, GLenum target );
typedef void ( GLAPIENTRYP PFNGLGETQUERYOBJECTI64VPROC ) ( GLuint id, GLenum pname, GLint64 *params );
typedef void ( GLAPIENTRYP PFNGLGETQUERYOBJECTUI64VPROC ) ( GLuint id, GLenum pname, GLuint64 *params );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBDIVISORPROC ) ( GLuint index, GLuint divisor );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP1UIPROC ) ( GLuint index, GLenum type, GLboolean normalized, GLuint value );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP1UIVPROC ) ( GLuint index, GLenum type, GLboolean normalized, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP2UIPROC ) ( GLuint index, GLenum type, GLboolean normalized, GLuint value );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP2UIVPROC ) ( GLuint index, GLenum type, GLboolean normalized, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP3UIPROC ) ( GLuint index, GLenum type, GLboolean normalized, GLuint value );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP3UIVPROC ) ( GLuint index, GLenum type, GLboolean normalized, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP4UIPROC ) ( GLuint index, GLenum type, GLboolean normalized, GLuint value );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBP4UIVPROC ) ( GLuint index, GLenum type, GLboolean normalized, const GLuint *value );

extern PFNGLBINDFRAGDATALOCATIONINDEXEDPROC glBindFragDataLocationIndexed;
extern PFNGLGETFRAGDATAINDEXPROC glGetFragDataIndex;
extern PFNGLGENSAMPLERSPROC glGenSamplers;
extern PFNGLDELETESAMPLERSPROC glDeleteSamplers;
extern PFNGLISSAMPLERPROC glIsSampler;
extern PFNGLBINDSAMPLERPROC glBindSampler;
extern PFNGLSAMPLERPARAMETERIPROC glSamplerParameteri;
extern PFNGLSAMPLERPARAMETERIVPROC glSamplerParameteriv;
extern PFNGLSAMPLERPARAMETERFPROC glSamplerParameterf;
extern PFNGLSAMPLERPARAMETERFVPROC glSamplerParameterfv;
extern PFNGLSAMPLERPARAMETERIIVPROC glSamplerParameterIiv;
extern PFNGLSAMPLERPARAMETERIUIVPROC glSamplerParameterIuiv;
extern PFNGLGETSAMPLERPARAMETERIVPROC glGetSamplerParameteriv;
extern PFNGLGETSAMPLERPARAMETERIIVPROC glGetSamplerParameterIiv;
extern PFNGLGETSAMPLERPARAMETERFVPROC glGetSamplerParameterfv;
extern PFNGLGETSAMPLERPARAMETERIUIVPROC glGetSamplerParameterIuiv;
extern PFNGLQUERYCOUNTERPROC glQueryCounter;
extern PFNGLGETQUERYOBJECTI64VPROC glGetQueryObjecti64v;
extern PFNGLGETQUERYOBJECTUI64VPROC glGetQueryObjectui64v;
extern PFNGLVERTEXATTRIBDIVISORPROC glVertexAttribDivisor;
extern PFNGLVERTEXATTRIBP1UIPROC glVertexAttribP1ui;
extern PFNGLVERTEXATTRIBP1UIVPROC glVertexAttribP1uiv;
extern PFNGLVERTEXATTRIBP2UIPROC glVertexAttribP2ui;
extern PFNGLVERTEXATTRIBP2UIVPROC glVertexAttribP2uiv;
extern PFNGLVERTEXATTRIBP3UIPROC glVertexAttribP3ui;
extern PFNGLVERTEXATTRIBP3UIVPROC glVertexAttribP3uiv;
extern PFNGLVERTEXATTRIBP4UIPROC glVertexAttribP4ui;
extern PFNGLVERTEXATTRIBP4UIVPROC glVertexAttribP4uiv;

#endif /* GL_VERSION_3_3 */


#ifndef GL_VERSION_4_0
#define GL_VERSION_4_0 1

#define GL_SAMPLE_SHADING                 0x8C36
#define GL_MIN_SAMPLE_SHADING_VALUE       0x8C37
#define GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5E
#define GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5F
#define GL_TEXTURE_CUBE_MAP_ARRAY         0x9009
#define GL_TEXTURE_BINDING_CUBE_MAP_ARRAY 0x900A
#define GL_PROXY_TEXTURE_CUBE_MAP_ARRAY   0x900B
#define GL_SAMPLER_CUBE_MAP_ARRAY         0x900C
#define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW  0x900D
#define GL_INT_SAMPLER_CUBE_MAP_ARRAY     0x900E
#define GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY 0x900F
#define GL_DRAW_INDIRECT_BUFFER           0x8F3F
#define GL_DRAW_INDIRECT_BUFFER_BINDING   0x8F43
#define GL_GEOMETRY_SHADER_INVOCATIONS    0x887F
#define GL_MAX_GEOMETRY_SHADER_INVOCATIONS 0x8E5A
#define GL_MIN_FRAGMENT_INTERPOLATION_OFFSET 0x8E5B
#define GL_MAX_FRAGMENT_INTERPOLATION_OFFSET 0x8E5C
#define GL_FRAGMENT_INTERPOLATION_OFFSET_BITS 0x8E5D
#define GL_MAX_VERTEX_STREAMS             0x8E71
#define GL_DOUBLE_VEC2                    0x8FFC
#define GL_DOUBLE_VEC3                    0x8FFD
#define GL_DOUBLE_VEC4                    0x8FFE
#define GL_DOUBLE_MAT2                    0x8F46
#define GL_DOUBLE_MAT3                    0x8F47
#define GL_DOUBLE_MAT4                    0x8F48
#define GL_DOUBLE_MAT2x3                  0x8F49
#define GL_DOUBLE_MAT2x4                  0x8F4A
#define GL_DOUBLE_MAT3x2                  0x8F4B
#define GL_DOUBLE_MAT3x4                  0x8F4C
#define GL_DOUBLE_MAT4x2                  0x8F4D
#define GL_DOUBLE_MAT4x3                  0x8F4E
#define GL_ACTIVE_SUBROUTINES             0x8DE5
#define GL_ACTIVE_SUBROUTINE_UNIFORMS     0x8DE6
#define GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS 0x8E47
#define GL_ACTIVE_SUBROUTINE_MAX_LENGTH   0x8E48
#define GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH 0x8E49
#define GL_MAX_SUBROUTINES                0x8DE7
#define GL_MAX_SUBROUTINE_UNIFORM_LOCATIONS 0x8DE8
#define GL_NUM_COMPATIBLE_SUBROUTINES     0x8E4A
#define GL_COMPATIBLE_SUBROUTINES         0x8E4B
#define GL_PATCHES                        0x000E
#define GL_PATCH_VERTICES                 0x8E72
#define GL_PATCH_DEFAULT_INNER_LEVEL      0x8E73
#define GL_PATCH_DEFAULT_OUTER_LEVEL      0x8E74
#define GL_TESS_CONTROL_OUTPUT_VERTICES   0x8E75
#define GL_TESS_GEN_MODE                  0x8E76
#define GL_TESS_GEN_SPACING               0x8E77
#define GL_TESS_GEN_VERTEX_ORDER          0x8E78
#define GL_TESS_GEN_POINT_MODE            0x8E79
#define GL_ISOLINES                       0x8E7A
#define GL_FRACTIONAL_ODD                 0x8E7B
#define GL_FRACTIONAL_EVEN                0x8E7C
#define GL_MAX_PATCH_VERTICES             0x8E7D
#define GL_MAX_TESS_GEN_LEVEL             0x8E7E
#define GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E7F
#define GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E80
#define GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS 0x8E81
#define GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS 0x8E82
#define GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS 0x8E83
#define GL_MAX_TESS_PATCH_COMPONENTS      0x8E84
#define GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS 0x8E85
#define GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS 0x8E86
#define GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS 0x8E89
#define GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS 0x8E8A
#define GL_MAX_TESS_CONTROL_INPUT_COMPONENTS 0x886C
#define GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS 0x886D
#define GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E1E
#define GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E1F
#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER 0x84F0
#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER 0x84F1
#define GL_TESS_EVALUATION_SHADER         0x8E87
#define GL_TESS_CONTROL_SHADER            0x8E88
#define GL_TRANSFORM_FEEDBACK             0x8E22
#define GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED 0x8E23
#define GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE 0x8E24
#define GL_TRANSFORM_FEEDBACK_BINDING     0x8E25
#define GL_MAX_TRANSFORM_FEEDBACK_BUFFERS 0x8E70

typedef void ( GLAPIENTRYP PFNGLMINSAMPLESHADINGPROC ) ( GLfloat value );
typedef void ( GLAPIENTRYP PFNGLBLENDEQUATIONIPROC ) ( GLuint buf, GLenum mode );
typedef void ( GLAPIENTRYP PFNGLBLENDEQUATIONSEPARATEIPROC ) ( GLuint buf, GLenum modeRGB, GLenum modeAlpha );
typedef void ( GLAPIENTRYP PFNGLBLENDFUNCIPROC ) ( GLuint buf, GLenum src, GLenum dst );
typedef void ( GLAPIENTRYP PFNGLBLENDFUNCSEPARATEIPROC ) ( GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha );
typedef void ( GLAPIENTRYP PFNGLDRAWARRAYSINDIRECTPROC ) ( GLenum mode, const void *indirect );
typedef void ( GLAPIENTRYP PFNGLDRAWELEMENTSINDIRECTPROC ) ( GLenum mode, GLenum type, const void *indirect );
typedef void ( GLAPIENTRYP PFNGLUNIFORM1DPROC ) ( GLint location, GLdouble x );
typedef void ( GLAPIENTRYP PFNGLUNIFORM2DPROC ) ( GLint location, GLdouble x, GLdouble y );
typedef void ( GLAPIENTRYP PFNGLUNIFORM3DPROC ) ( GLint location, GLdouble x, GLdouble y, GLdouble z );
typedef void ( GLAPIENTRYP PFNGLUNIFORM4DPROC ) ( GLint location, GLdouble x, GLdouble y, GLdouble z, GLdouble w );
typedef void ( GLAPIENTRYP PFNGLUNIFORM1DVPROC ) ( GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORM2DVPROC ) ( GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORM3DVPROC ) ( GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORM4DVPROC ) ( GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX2DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX3DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX4DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX2X3DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX2X4DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX3X2DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX3X4DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX4X2DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLUNIFORMMATRIX4X3DVPROC ) ( GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLGETUNIFORMDVPROC ) ( GLuint program, GLint location, GLdouble *params );
typedef GLint( GLAPIENTRYP PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC ) ( GLuint program, GLenum shadertype, const GLchar *name );
typedef GLuint( GLAPIENTRYP PFNGLGETSUBROUTINEINDEXPROC ) ( GLuint program, GLenum shadertype, const GLchar *name );
typedef void ( GLAPIENTRYP PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC ) ( GLuint program, GLenum shadertype, GLuint index, GLenum pname, GLint *values );
typedef void ( GLAPIENTRYP PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC ) ( GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name );
typedef void ( GLAPIENTRYP PFNGLGETACTIVESUBROUTINENAMEPROC ) ( GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name );
typedef void ( GLAPIENTRYP PFNGLUNIFORMSUBROUTINESUIVPROC ) ( GLenum shadertype, GLsizei count, const GLuint *indices );
typedef void ( GLAPIENTRYP PFNGLGETUNIFORMSUBROUTINEUIVPROC ) ( GLenum shadertype, GLint location, GLuint *params );
typedef void ( GLAPIENTRYP PFNGLGETPROGRAMSTAGEIVPROC ) ( GLuint program, GLenum shadertype, GLenum pname, GLint *values );
typedef void ( GLAPIENTRYP PFNGLPATCHPARAMETERIPROC ) ( GLenum pname, GLint value );
typedef void ( GLAPIENTRYP PFNGLPATCHPARAMETERFVPROC ) ( GLenum pname, const GLfloat *values );
typedef void ( GLAPIENTRYP PFNGLBINDTRANSFORMFEEDBACKPROC ) ( GLenum target, GLuint id );
typedef void ( GLAPIENTRYP PFNGLDELETETRANSFORMFEEDBACKSPROC ) ( GLsizei n, const GLuint *ids );
typedef void ( GLAPIENTRYP PFNGLGENTRANSFORMFEEDBACKSPROC ) ( GLsizei n, GLuint *ids );
typedef GLboolean( GLAPIENTRYP PFNGLISTRANSFORMFEEDBACKPROC ) ( GLuint id );
typedef void ( GLAPIENTRYP PFNGLPAUSETRANSFORMFEEDBACKPROC ) ( void );
typedef void ( GLAPIENTRYP PFNGLRESUMETRANSFORMFEEDBACKPROC ) ( void );
typedef void ( GLAPIENTRYP PFNGLDRAWTRANSFORMFEEDBACKPROC ) ( GLenum mode, GLuint id );
typedef void ( GLAPIENTRYP PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC ) ( GLenum mode, GLuint id, GLuint stream );
typedef void ( GLAPIENTRYP PFNGLBEGINQUERYINDEXEDPROC ) ( GLenum target, GLuint index, GLuint id );
typedef void ( GLAPIENTRYP PFNGLENDQUERYINDEXEDPROC ) ( GLenum target, GLuint index );
typedef void ( GLAPIENTRYP PFNGLGETQUERYINDEXEDIVPROC ) ( GLenum target, GLuint index, GLenum pname, GLint *params );

extern PFNGLMINSAMPLESHADINGPROC glMinSampleShading;
extern PFNGLBLENDEQUATIONIPROC glBlendEquationi;
extern PFNGLBLENDEQUATIONSEPARATEIPROC glBlendEquationSeparatei;
extern PFNGLBLENDFUNCIPROC glBlendFunci;
extern PFNGLBLENDFUNCSEPARATEIPROC glBlendFuncSeparatei;
extern PFNGLDRAWARRAYSINDIRECTPROC glDrawArraysIndirect;
extern PFNGLDRAWELEMENTSINDIRECTPROC glDrawElementsIndirect;
extern PFNGLUNIFORM1DPROC glUniform1d;
extern PFNGLUNIFORM2DPROC glUniform2d;
extern PFNGLUNIFORM3DPROC glUniform3d;
extern PFNGLUNIFORM4DPROC glUniform4d;
extern PFNGLUNIFORM1DVPROC glUniform1dv;
extern PFNGLUNIFORM2DVPROC glUniform2dv;
extern PFNGLUNIFORM3DVPROC glUniform3dv;
extern PFNGLUNIFORM4DVPROC glUniform4dv;
extern PFNGLUNIFORMMATRIX2DVPROC glUniformMatrix2dv;
extern PFNGLUNIFORMMATRIX3DVPROC glUniformMatrix3dv;
extern PFNGLUNIFORMMATRIX4DVPROC glUniformMatrix4dv;
extern PFNGLUNIFORMMATRIX2X3DVPROC glUniformMatrix2x3dv;
extern PFNGLUNIFORMMATRIX2X4DVPROC glUniformMatrix2x4dv;
extern PFNGLUNIFORMMATRIX3X2DVPROC glUniformMatrix3x2dv;
extern PFNGLUNIFORMMATRIX3X4DVPROC glUniformMatrix3x4dv;
extern PFNGLUNIFORMMATRIX4X2DVPROC glUniformMatrix4x2dv;
extern PFNGLUNIFORMMATRIX4X3DVPROC glUniformMatrix4x3dv;
extern PFNGLGETUNIFORMDVPROC glGetUniformdv;
extern PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC glGetSubroutineUniformLocation;
extern PFNGLGETSUBROUTINEINDEXPROC glGetSubroutineIndex;
extern PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC glGetActiveSubroutineUniformiv;
extern PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC glGetActiveSubroutineUniformName;
extern PFNGLGETACTIVESUBROUTINENAMEPROC glGetActiveSubroutineName;
extern PFNGLUNIFORMSUBROUTINESUIVPROC glUniformSubroutinesuiv;
extern PFNGLGETUNIFORMSUBROUTINEUIVPROC glGetUniformSubroutineuiv;
extern PFNGLGETPROGRAMSTAGEIVPROC glGetProgramStageiv;
extern PFNGLPATCHPARAMETERIPROC glPatchParameteri;
extern PFNGLPATCHPARAMETERFVPROC glPatchParameterfv;
extern PFNGLBINDTRANSFORMFEEDBACKPROC glBindTransformFeedback;
extern PFNGLDELETETRANSFORMFEEDBACKSPROC glDeleteTransformFeedbacks;
extern PFNGLGENTRANSFORMFEEDBACKSPROC glGenTransformFeedbacks;
extern PFNGLISTRANSFORMFEEDBACKPROC glIsTransformFeedback;
extern PFNGLPAUSETRANSFORMFEEDBACKPROC glPauseTransformFeedback;
extern PFNGLRESUMETRANSFORMFEEDBACKPROC glResumeTransformFeedback;
extern PFNGLDRAWTRANSFORMFEEDBACKPROC glDrawTransformFeedback;
extern PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC glDrawTransformFeedbackStream;
extern PFNGLBEGINQUERYINDEXEDPROC glBeginQueryIndexed;
extern PFNGLENDQUERYINDEXEDPROC glEndQueryIndexed;
extern PFNGLGETQUERYINDEXEDIVPROC glGetQueryIndexediv;

#endif /* GL_VERSION_4_0 */


#ifndef GL_VERSION_4_1
#define GL_VERSION_4_1 1

#define GL_FIXED                          0x140C
#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A
#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B
#define GL_LOW_FLOAT                      0x8DF0
#define GL_MEDIUM_FLOAT                   0x8DF1
#define GL_HIGH_FLOAT                     0x8DF2
#define GL_LOW_INT                        0x8DF3
#define GL_MEDIUM_INT                     0x8DF4
#define GL_HIGH_INT                       0x8DF5
#define GL_SHADER_COMPILER                0x8DFA
#define GL_SHADER_BINARY_FORMATS          0x8DF8
#define GL_NUM_SHADER_BINARY_FORMATS      0x8DF9
#define GL_MAX_VERTEX_UNIFORM_VECTORS     0x8DFB
#define GL_MAX_VARYING_VECTORS            0x8DFC
#define GL_MAX_FRAGMENT_UNIFORM_VECTORS   0x8DFD
#define GL_RGB565                         0x8D62
#define GL_PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257
#define GL_PROGRAM_BINARY_LENGTH          0x8741
#define GL_NUM_PROGRAM_BINARY_FORMATS     0x87FE
#define GL_PROGRAM_BINARY_FORMATS         0x87FF
#define GL_VERTEX_SHADER_BIT              0x00000001
#define GL_FRAGMENT_SHADER_BIT            0x00000002
#define GL_GEOMETRY_SHADER_BIT            0x00000004
#define GL_TESS_CONTROL_SHADER_BIT        0x00000008
#define GL_TESS_EVALUATION_SHADER_BIT     0x00000010
#define GL_ALL_SHADER_BITS                0xFFFFFFFF
#define GL_PROGRAM_SEPARABLE              0x8258
#define GL_ACTIVE_PROGRAM                 0x8259
#define GL_PROGRAM_PIPELINE_BINDING       0x825A
#define GL_MAX_VIEWPORTS                  0x825B
#define GL_VIEWPORT_SUBPIXEL_BITS         0x825C
#define GL_VIEWPORT_BOUNDS_RANGE          0x825D
#define GL_LAYER_PROVOKING_VERTEX         0x825E
#define GL_VIEWPORT_INDEX_PROVOKING_VERTEX 0x825F
#define GL_UNDEFINED_VERTEX               0x8260

typedef void ( GLAPIENTRYP PFNGLRELEASESHADERCOMPILERPROC ) ( void );
typedef void ( GLAPIENTRYP PFNGLSHADERBINARYPROC ) ( GLsizei count, const GLuint *shaders, GLenum binaryformat, const void *binary, GLsizei length );
typedef void ( GLAPIENTRYP PFNGLGETSHADERPRECISIONFORMATPROC ) ( GLenum shadertype, GLenum precisiontype, GLint *range, GLint *precision );
typedef void ( GLAPIENTRYP PFNGLDEPTHRANGEFPROC ) ( GLfloat n, GLfloat f );
typedef void ( GLAPIENTRYP PFNGLCLEARDEPTHFPROC ) ( GLfloat d );
typedef void ( GLAPIENTRYP PFNGLGETPROGRAMBINARYPROC ) ( GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, void *binary );
typedef void ( GLAPIENTRYP PFNGLPROGRAMBINARYPROC ) ( GLuint program, GLenum binaryFormat, const void *binary, GLsizei length );
typedef void ( GLAPIENTRYP PFNGLPROGRAMPARAMETERIPROC ) ( GLuint program, GLenum pname, GLint value );
typedef void ( GLAPIENTRYP PFNGLUSEPROGRAMSTAGESPROC ) ( GLuint pipeline, GLbitfield stages, GLuint program );
typedef void ( GLAPIENTRYP PFNGLACTIVESHADERPROGRAMPROC ) ( GLuint pipeline, GLuint program );
typedef GLuint( GLAPIENTRYP PFNGLCREATESHADERPROGRAMVPROC ) ( GLenum type, GLsizei count, const GLchar *const*strings );
typedef void ( GLAPIENTRYP PFNGLBINDPROGRAMPIPELINEPROC ) ( GLuint pipeline );
typedef void ( GLAPIENTRYP PFNGLDELETEPROGRAMPIPELINESPROC ) ( GLsizei n, const GLuint *pipelines );
typedef void ( GLAPIENTRYP PFNGLGENPROGRAMPIPELINESPROC ) ( GLsizei n, GLuint *pipelines );
typedef GLboolean( GLAPIENTRYP PFNGLISPROGRAMPIPELINEPROC ) ( GLuint pipeline );
typedef void ( GLAPIENTRYP PFNGLGETPROGRAMPIPELINEIVPROC ) ( GLuint pipeline, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1IPROC ) ( GLuint program, GLint location, GLint v0 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1IVPROC ) ( GLuint program, GLint location, GLsizei count, const GLint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1FPROC ) ( GLuint program, GLint location, GLfloat v0 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1FVPROC ) ( GLuint program, GLint location, GLsizei count, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1DPROC ) ( GLuint program, GLint location, GLdouble v0 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1DVPROC ) ( GLuint program, GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1UIPROC ) ( GLuint program, GLint location, GLuint v0 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM1UIVPROC ) ( GLuint program, GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2IPROC ) ( GLuint program, GLint location, GLint v0, GLint v1 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2IVPROC ) ( GLuint program, GLint location, GLsizei count, const GLint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2FPROC ) ( GLuint program, GLint location, GLfloat v0, GLfloat v1 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2FVPROC ) ( GLuint program, GLint location, GLsizei count, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2DPROC ) ( GLuint program, GLint location, GLdouble v0, GLdouble v1 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2DVPROC ) ( GLuint program, GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2UIPROC ) ( GLuint program, GLint location, GLuint v0, GLuint v1 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM2UIVPROC ) ( GLuint program, GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3IPROC ) ( GLuint program, GLint location, GLint v0, GLint v1, GLint v2 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3IVPROC ) ( GLuint program, GLint location, GLsizei count, const GLint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3FPROC ) ( GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3FVPROC ) ( GLuint program, GLint location, GLsizei count, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3DPROC ) ( GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3DVPROC ) ( GLuint program, GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3UIPROC ) ( GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM3UIVPROC ) ( GLuint program, GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4IPROC ) ( GLuint program, GLint location, GLint v0, GLint v1, GLint v2, GLint v3 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4IVPROC ) ( GLuint program, GLint location, GLsizei count, const GLint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4FPROC ) ( GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4FVPROC ) ( GLuint program, GLint location, GLsizei count, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4DPROC ) ( GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4DVPROC ) ( GLuint program, GLint location, GLsizei count, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4UIPROC ) ( GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3 );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORM4UIVPROC ) ( GLuint program, GLint location, GLsizei count, const GLuint *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX2FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX3FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX4FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX2DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX3DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX4DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC ) ( GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value );
typedef void ( GLAPIENTRYP PFNGLVALIDATEPROGRAMPIPELINEPROC ) ( GLuint pipeline );
typedef void ( GLAPIENTRYP PFNGLGETPROGRAMPIPELINEINFOLOGPROC ) ( GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL1DPROC ) ( GLuint index, GLdouble x );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL2DPROC ) ( GLuint index, GLdouble x, GLdouble y );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL3DPROC ) ( GLuint index, GLdouble x, GLdouble y, GLdouble z );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL4DPROC ) ( GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL1DVPROC ) ( GLuint index, const GLdouble *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL2DVPROC ) ( GLuint index, const GLdouble *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL3DVPROC ) ( GLuint index, const GLdouble *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBL4DVPROC ) ( GLuint index, const GLdouble *v );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBLPOINTERPROC ) ( GLuint index, GLint size, GLenum type, GLsizei stride, const void *pointer );
typedef void ( GLAPIENTRYP PFNGLGETVERTEXATTRIBLDVPROC ) ( GLuint index, GLenum pname, GLdouble *params );
typedef void ( GLAPIENTRYP PFNGLVIEWPORTARRAYVPROC ) ( GLuint first, GLsizei count, const GLfloat *v );
typedef void ( GLAPIENTRYP PFNGLVIEWPORTINDEXEDFPROC ) ( GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h );
typedef void ( GLAPIENTRYP PFNGLVIEWPORTINDEXEDFVPROC ) ( GLuint index, const GLfloat *v );
typedef void ( GLAPIENTRYP PFNGLSCISSORARRAYVPROC ) ( GLuint first, GLsizei count, const GLint *v );
typedef void ( GLAPIENTRYP PFNGLSCISSORINDEXEDPROC ) ( GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height );
typedef void ( GLAPIENTRYP PFNGLSCISSORINDEXEDVPROC ) ( GLuint index, const GLint *v );
typedef void ( GLAPIENTRYP PFNGLDEPTHRANGEARRAYVPROC ) ( GLuint first, GLsizei count, const GLdouble *v );
typedef void ( GLAPIENTRYP PFNGLDEPTHRANGEINDEXEDPROC ) ( GLuint index, GLdouble n, GLdouble f );
typedef void ( GLAPIENTRYP PFNGLGETFLOATI_VPROC ) ( GLenum target, GLuint index, GLfloat *data );
typedef void ( GLAPIENTRYP PFNGLGETDOUBLEI_VPROC ) ( GLenum target, GLuint index, GLdouble *data );

extern PFNGLRELEASESHADERCOMPILERPROC glReleaseShaderCompiler;
extern PFNGLSHADERBINARYPROC glShaderBinary;
extern PFNGLGETSHADERPRECISIONFORMATPROC glGetShaderPrecisionFormat;
extern PFNGLDEPTHRANGEFPROC glDepthRangef;
extern PFNGLCLEARDEPTHFPROC glClearDepthf;
extern PFNGLGETPROGRAMBINARYPROC glGetProgramBinary;
extern PFNGLPROGRAMBINARYPROC glProgramBinary;
extern PFNGLPROGRAMPARAMETERIPROC glProgramParameteri;
extern PFNGLUSEPROGRAMSTAGESPROC glUseProgramStages;
extern PFNGLACTIVESHADERPROGRAMPROC glActiveShaderProgram;
extern PFNGLCREATESHADERPROGRAMVPROC glCreateShaderProgramv;
extern PFNGLBINDPROGRAMPIPELINEPROC glBindProgramPipeline;
extern PFNGLDELETEPROGRAMPIPELINESPROC glDeleteProgramPipelines;
extern PFNGLGENPROGRAMPIPELINESPROC glGenProgramPipelines;
extern PFNGLISPROGRAMPIPELINEPROC glIsProgramPipeline;
extern PFNGLGETPROGRAMPIPELINEIVPROC glGetProgramPipelineiv;
extern PFNGLPROGRAMUNIFORM1IPROC glProgramUniform1i;
extern PFNGLPROGRAMUNIFORM1IVPROC glProgramUniform1iv;
extern PFNGLPROGRAMUNIFORM1FPROC glProgramUniform1f;
extern PFNGLPROGRAMUNIFORM1FVPROC glProgramUniform1fv;
extern PFNGLPROGRAMUNIFORM1DPROC glProgramUniform1d;
extern PFNGLPROGRAMUNIFORM1DVPROC glProgramUniform1dv;
extern PFNGLPROGRAMUNIFORM1UIPROC glProgramUniform1ui;
extern PFNGLPROGRAMUNIFORM1UIVPROC glProgramUniform1uiv;
extern PFNGLPROGRAMUNIFORM2IPROC glProgramUniform2i;
extern PFNGLPROGRAMUNIFORM2IVPROC glProgramUniform2iv;
extern PFNGLPROGRAMUNIFORM2FPROC glProgramUniform2f;
extern PFNGLPROGRAMUNIFORM2FVPROC glProgramUniform2fv;
extern PFNGLPROGRAMUNIFORM2DPROC glProgramUniform2d;
extern PFNGLPROGRAMUNIFORM2DVPROC glProgramUniform2dv;
extern PFNGLPROGRAMUNIFORM2UIPROC glProgramUniform2ui;
extern PFNGLPROGRAMUNIFORM2UIVPROC glProgramUniform2uiv;
extern PFNGLPROGRAMUNIFORM3IPROC glProgramUniform3i;
extern PFNGLPROGRAMUNIFORM3IVPROC glProgramUniform3iv;
extern PFNGLPROGRAMUNIFORM3FPROC glProgramUniform3f;
extern PFNGLPROGRAMUNIFORM3FVPROC glProgramUniform3fv;
extern PFNGLPROGRAMUNIFORM3DPROC glProgramUniform3d;
extern PFNGLPROGRAMUNIFORM3DVPROC glProgramUniform3dv;
extern PFNGLPROGRAMUNIFORM3UIPROC glProgramUniform3ui;
extern PFNGLPROGRAMUNIFORM3UIVPROC glProgramUniform3uiv;
extern PFNGLPROGRAMUNIFORM4IPROC glProgramUniform4i;
extern PFNGLPROGRAMUNIFORM4IVPROC glProgramUniform4iv;
extern PFNGLPROGRAMUNIFORM4FPROC glProgramUniform4f;
extern PFNGLPROGRAMUNIFORM4FVPROC glProgramUniform4fv;
extern PFNGLPROGRAMUNIFORM4DPROC glProgramUniform4d;
extern PFNGLPROGRAMUNIFORM4DVPROC glProgramUniform4dv;
extern PFNGLPROGRAMUNIFORM4UIPROC glProgramUniform4ui;
extern PFNGLPROGRAMUNIFORM4UIVPROC glProgramUniform4uiv;
extern PFNGLPROGRAMUNIFORMMATRIX2FVPROC glProgramUniformMatrix2fv;
extern PFNGLPROGRAMUNIFORMMATRIX3FVPROC glProgramUniformMatrix3fv;
extern PFNGLPROGRAMUNIFORMMATRIX4FVPROC glProgramUniformMatrix4fv;
extern PFNGLPROGRAMUNIFORMMATRIX2DVPROC glProgramUniformMatrix2dv;
extern PFNGLPROGRAMUNIFORMMATRIX3DVPROC glProgramUniformMatrix3dv;
extern PFNGLPROGRAMUNIFORMMATRIX4DVPROC glProgramUniformMatrix4dv;
extern PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC glProgramUniformMatrix2x3fv;
extern PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC glProgramUniformMatrix3x2fv;
extern PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC glProgramUniformMatrix2x4fv;
extern PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC glProgramUniformMatrix4x2fv;
extern PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC glProgramUniformMatrix3x4fv;
extern PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC glProgramUniformMatrix4x3fv;
extern PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC glProgramUniformMatrix2x3dv;
extern PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC glProgramUniformMatrix3x2dv;
extern PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC glProgramUniformMatrix2x4dv;
extern PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC glProgramUniformMatrix4x2dv;
extern PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC glProgramUniformMatrix3x4dv;
extern PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC glProgramUniformMatrix4x3dv;
extern PFNGLVALIDATEPROGRAMPIPELINEPROC glValidateProgramPipeline;
extern PFNGLGETPROGRAMPIPELINEINFOLOGPROC glGetProgramPipelineInfoLog;
extern PFNGLVERTEXATTRIBL1DPROC glVertexAttribL1d;
extern PFNGLVERTEXATTRIBL2DPROC glVertexAttribL2d;
extern PFNGLVERTEXATTRIBL3DPROC glVertexAttribL3d;
extern PFNGLVERTEXATTRIBL4DPROC glVertexAttribL4d;
extern PFNGLVERTEXATTRIBL1DVPROC glVertexAttribL1dv;
extern PFNGLVERTEXATTRIBL2DVPROC glVertexAttribL2dv;
extern PFNGLVERTEXATTRIBL3DVPROC glVertexAttribL3dv;
extern PFNGLVERTEXATTRIBL4DVPROC glVertexAttribL4dv;
extern PFNGLVERTEXATTRIBLPOINTERPROC glVertexAttribLPointer;
extern PFNGLGETVERTEXATTRIBLDVPROC glGetVertexAttribLdv;
extern PFNGLVIEWPORTARRAYVPROC glViewportArrayv;
extern PFNGLVIEWPORTINDEXEDFPROC glViewportIndexedf;
extern PFNGLVIEWPORTINDEXEDFVPROC glViewportIndexedfv;
extern PFNGLSCISSORARRAYVPROC glScissorArrayv;
extern PFNGLSCISSORINDEXEDPROC glScissorIndexed;
extern PFNGLSCISSORINDEXEDVPROC glScissorIndexedv;
extern PFNGLDEPTHRANGEARRAYVPROC glDepthRangeArrayv;
extern PFNGLDEPTHRANGEINDEXEDPROC glDepthRangeIndexed;
extern PFNGLGETFLOATI_VPROC glGetFloati_v;
extern PFNGLGETDOUBLEI_VPROC glGetDoublei_v;

#endif /* GL_VERSION_4_1 */


#ifndef GL_VERSION_4_2
#define GL_VERSION_4_2 1

#define GL_COPY_READ_BUFFER_BINDING       0x8F36
#define GL_COPY_WRITE_BUFFER_BINDING      0x8F37
#define GL_TRANSFORM_FEEDBACK_ACTIVE      0x8E24
#define GL_TRANSFORM_FEEDBACK_PAUSED      0x8E23
#define GL_UNPACK_COMPRESSED_BLOCK_WIDTH  0x9127
#define GL_UNPACK_COMPRESSED_BLOCK_HEIGHT 0x9128
#define GL_UNPACK_COMPRESSED_BLOCK_DEPTH  0x9129
#define GL_UNPACK_COMPRESSED_BLOCK_SIZE   0x912A
#define GL_PACK_COMPRESSED_BLOCK_WIDTH    0x912B
#define GL_PACK_COMPRESSED_BLOCK_HEIGHT   0x912C
#define GL_PACK_COMPRESSED_BLOCK_DEPTH    0x912D
#define GL_PACK_COMPRESSED_BLOCK_SIZE     0x912E
#define GL_NUM_SAMPLE_COUNTS              0x9380
#define GL_MIN_MAP_BUFFER_ALIGNMENT       0x90BC
#define GL_ATOMIC_COUNTER_BUFFER          0x92C0
#define GL_ATOMIC_COUNTER_BUFFER_BINDING  0x92C1
#define GL_ATOMIC_COUNTER_BUFFER_START    0x92C2
#define GL_ATOMIC_COUNTER_BUFFER_SIZE     0x92C3
#define GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE 0x92C4
#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS 0x92C5
#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES 0x92C6
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER 0x92C7
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER 0x92C8
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER 0x92C9
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER 0x92CA
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER 0x92CB
#define GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS 0x92CC
#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS 0x92CD
#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS 0x92CE
#define GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS 0x92CF
#define GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS 0x92D0
#define GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS 0x92D1
#define GL_MAX_VERTEX_ATOMIC_COUNTERS     0x92D2
#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS 0x92D3
#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS 0x92D4
#define GL_MAX_GEOMETRY_ATOMIC_COUNTERS   0x92D5
#define GL_MAX_FRAGMENT_ATOMIC_COUNTERS   0x92D6
#define GL_MAX_COMBINED_ATOMIC_COUNTERS   0x92D7
#define GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE 0x92D8
#define GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS 0x92DC
#define GL_ACTIVE_ATOMIC_COUNTER_BUFFERS  0x92D9
#define GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX 0x92DA
#define GL_UNSIGNED_INT_ATOMIC_COUNTER    0x92DB
#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001
#define GL_ELEMENT_ARRAY_BARRIER_BIT      0x00000002
#define GL_UNIFORM_BARRIER_BIT            0x00000004
#define GL_TEXTURE_FETCH_BARRIER_BIT      0x00000008
#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020
#define GL_COMMAND_BARRIER_BIT            0x00000040
#define GL_PIXEL_BUFFER_BARRIER_BIT       0x00000080
#define GL_TEXTURE_UPDATE_BARRIER_BIT     0x00000100
#define GL_BUFFER_UPDATE_BARRIER_BIT      0x00000200
#define GL_FRAMEBUFFER_BARRIER_BIT        0x00000400
#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800
#define GL_ATOMIC_COUNTER_BARRIER_BIT     0x00001000
#define GL_ALL_BARRIER_BITS               0xFFFFFFFF
#define GL_MAX_IMAGE_UNITS                0x8F38
#define GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS 0x8F39
#define GL_IMAGE_BINDING_NAME             0x8F3A
#define GL_IMAGE_BINDING_LEVEL            0x8F3B
#define GL_IMAGE_BINDING_LAYERED          0x8F3C
#define GL_IMAGE_BINDING_LAYER            0x8F3D
#define GL_IMAGE_BINDING_ACCESS           0x8F3E
#define GL_IMAGE_1D                       0x904C
#define GL_IMAGE_2D                       0x904D
#define GL_IMAGE_3D                       0x904E
#define GL_IMAGE_2D_RECT                  0x904F
#define GL_IMAGE_CUBE                     0x9050
#define GL_IMAGE_BUFFER                   0x9051
#define GL_IMAGE_1D_ARRAY                 0x9052
#define GL_IMAGE_2D_ARRAY                 0x9053
#define GL_IMAGE_CUBE_MAP_ARRAY           0x9054
#define GL_IMAGE_2D_MULTISAMPLE           0x9055
#define GL_IMAGE_2D_MULTISAMPLE_ARRAY     0x9056
#define GL_INT_IMAGE_1D                   0x9057
#define GL_INT_IMAGE_2D                   0x9058
#define GL_INT_IMAGE_3D                   0x9059
#define GL_INT_IMAGE_2D_RECT              0x905A
#define GL_INT_IMAGE_CUBE                 0x905B
#define GL_INT_IMAGE_BUFFER               0x905C
#define GL_INT_IMAGE_1D_ARRAY             0x905D
#define GL_INT_IMAGE_2D_ARRAY             0x905E
#define GL_INT_IMAGE_CUBE_MAP_ARRAY       0x905F
#define GL_INT_IMAGE_2D_MULTISAMPLE       0x9060
#define GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x9061
#define GL_UNSIGNED_INT_IMAGE_1D          0x9062
#define GL_UNSIGNED_INT_IMAGE_2D          0x9063
#define GL_UNSIGNED_INT_IMAGE_3D          0x9064
#define GL_UNSIGNED_INT_IMAGE_2D_RECT     0x9065
#define GL_UNSIGNED_INT_IMAGE_CUBE        0x9066
#define GL_UNSIGNED_INT_IMAGE_BUFFER      0x9067
#define GL_UNSIGNED_INT_IMAGE_1D_ARRAY    0x9068
#define GL_UNSIGNED_INT_IMAGE_2D_ARRAY    0x9069
#define GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY 0x906A
#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE 0x906B
#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x906C
#define GL_MAX_IMAGE_SAMPLES              0x906D
#define GL_IMAGE_BINDING_FORMAT           0x906E
#define GL_IMAGE_FORMAT_COMPATIBILITY_TYPE 0x90C7
#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE 0x90C8
#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS 0x90C9
#define GL_MAX_VERTEX_IMAGE_UNIFORMS      0x90CA
#define GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS 0x90CB
#define GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS 0x90CC
#define GL_MAX_GEOMETRY_IMAGE_UNIFORMS    0x90CD
#define GL_MAX_FRAGMENT_IMAGE_UNIFORMS    0x90CE
#define GL_MAX_COMBINED_IMAGE_UNIFORMS    0x90CF
#define GL_COMPRESSED_RGBA_BPTC_UNORM     0x8E8C
#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D
#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E
#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F
#define GL_TEXTURE_IMMUTABLE_FORMAT       0x912F

typedef void ( GLAPIENTRYP PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC ) ( GLenum mode, GLint first, GLsizei count, GLsizei instancecount, GLuint baseinstance );
typedef void ( GLAPIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC ) ( GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLuint baseinstance );
typedef void ( GLAPIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC ) ( GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLint basevertex, GLuint baseinstance );
typedef void ( GLAPIENTRYP PFNGLGETINTERNALFORMATIVPROC ) ( GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC ) ( GLuint program, GLuint bufferIndex, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLBINDIMAGETEXTUREPROC ) ( GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format );
typedef void ( GLAPIENTRYP PFNGLMEMORYBARRIERPROC ) ( GLbitfield barriers );
typedef void ( GLAPIENTRYP PFNGLTEXSTORAGE1DPROC ) ( GLenum target, GLsizei levels, GLenum internalformat, GLsizei width );
typedef void ( GLAPIENTRYP PFNGLTEXSTORAGE2DPROC ) ( GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height );
typedef void ( GLAPIENTRYP PFNGLTEXSTORAGE3DPROC ) ( GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth );
typedef void ( GLAPIENTRYP PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC ) ( GLenum mode, GLuint id, GLsizei instancecount );
typedef void ( GLAPIENTRYP PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC ) ( GLenum mode, GLuint id, GLuint stream, GLsizei instancecount );

extern PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC glDrawArraysInstancedBaseInstance;
extern PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC glDrawElementsInstancedBaseInstance;
extern PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC glDrawElementsInstancedBaseVertexBaseInstance;
extern PFNGLGETINTERNALFORMATIVPROC glGetInternalformativ;
extern PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC glGetActiveAtomicCounterBufferiv;
extern PFNGLBINDIMAGETEXTUREPROC glBindImageTexture;
extern PFNGLMEMORYBARRIERPROC glMemoryBarrier;
extern PFNGLTEXSTORAGE1DPROC glTexStorage1D;
extern PFNGLTEXSTORAGE2DPROC glTexStorage2D;
extern PFNGLTEXSTORAGE3DPROC glTexStorage3D;
extern PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC glDrawTransformFeedbackInstanced;
extern PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC glDrawTransformFeedbackStreamInstanced;

#endif /* GL_VERSION_4_2 */


#ifndef GL_VERSION_4_3
#define GL_VERSION_4_3 1

//typedef void ( APIENTRY  *GLDEBUGPROC )( GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam );
#define GL_NUM_SHADING_LANGUAGE_VERSIONS  0x82E9
#define GL_VERTEX_ATTRIB_ARRAY_LONG       0x874E
#define GL_COMPRESSED_RGB8_ETC2           0x9274
#define GL_COMPRESSED_SRGB8_ETC2          0x9275
#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#define GL_COMPRESSED_RGBA8_ETC2_EAC      0x9278
#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
#define GL_COMPRESSED_R11_EAC             0x9270
#define GL_COMPRESSED_SIGNED_R11_EAC      0x9271
#define GL_COMPRESSED_RG11_EAC            0x9272
#define GL_COMPRESSED_SIGNED_RG11_EAC     0x9273
#define GL_PRIMITIVE_RESTART_FIXED_INDEX  0x8D69
#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE 0x8D6A
#define GL_MAX_ELEMENT_INDEX              0x8D6B
#define GL_COMPUTE_SHADER                 0x91B9
#define GL_MAX_COMPUTE_UNIFORM_BLOCKS     0x91BB
#define GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS 0x91BC
#define GL_MAX_COMPUTE_IMAGE_UNIFORMS     0x91BD
#define GL_MAX_COMPUTE_SHARED_MEMORY_SIZE 0x8262
#define GL_MAX_COMPUTE_UNIFORM_COMPONENTS 0x8263
#define GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS 0x8264
#define GL_MAX_COMPUTE_ATOMIC_COUNTERS    0x8265
#define GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS 0x8266
#define GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS 0x90EB
#define GL_MAX_COMPUTE_WORK_GROUP_COUNT   0x91BE
#define GL_MAX_COMPUTE_WORK_GROUP_SIZE    0x91BF
#define GL_COMPUTE_WORK_GROUP_SIZE        0x8267
#define GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER 0x90EC
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER 0x90ED
#define GL_DISPATCH_INDIRECT_BUFFER       0x90EE
#define GL_DISPATCH_INDIRECT_BUFFER_BINDING 0x90EF
#define GL_COMPUTE_SHADER_BIT             0x00000020
#define GL_DEBUG_OUTPUT_SYNCHRONOUS       0x8242
#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH 0x8243
#define GL_DEBUG_CALLBACK_FUNCTION        0x8244
#define GL_DEBUG_CALLBACK_USER_PARAM      0x8245
#define GL_DEBUG_SOURCE_API               0x8246
#define GL_DEBUG_SOURCE_WINDOW_SYSTEM     0x8247
#define GL_DEBUG_SOURCE_SHADER_COMPILER   0x8248
#define GL_DEBUG_SOURCE_THIRD_PARTY       0x8249
#define GL_DEBUG_SOURCE_APPLICATION       0x824A
#define GL_DEBUG_SOURCE_OTHER             0x824B
#define GL_DEBUG_TYPE_ERROR               0x824C
#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D
#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR  0x824E
#define GL_DEBUG_TYPE_PORTABILITY         0x824F
#define GL_DEBUG_TYPE_PERFORMANCE         0x8250
#define GL_DEBUG_TYPE_OTHER               0x8251
#define GL_MAX_DEBUG_MESSAGE_LENGTH       0x9143
#define GL_MAX_DEBUG_LOGGED_MESSAGES      0x9144
#define GL_DEBUG_LOGGED_MESSAGES          0x9145
#define GL_DEBUG_SEVERITY_HIGH            0x9146
#define GL_DEBUG_SEVERITY_MEDIUM          0x9147
#define GL_DEBUG_SEVERITY_LOW             0x9148
#define GL_DEBUG_TYPE_MARKER              0x8268
#define GL_DEBUG_TYPE_PUSH_GROUP          0x8269
#define GL_DEBUG_TYPE_POP_GROUP           0x826A
#define GL_DEBUG_SEVERITY_NOTIFICATION    0x826B
#define GL_MAX_DEBUG_GROUP_STACK_DEPTH    0x826C
#define GL_DEBUG_GROUP_STACK_DEPTH        0x826D
#define GL_BUFFER                         0x82E0
#define GL_SHADER                         0x82E1
#define GL_PROGRAM                        0x82E2
#define GL_QUERY                          0x82E3
#define GL_PROGRAM_PIPELINE               0x82E4
#define GL_SAMPLER                        0x82E6
#define GL_MAX_LABEL_LENGTH               0x82E8
#define GL_DEBUG_OUTPUT                   0x92E0
#define GL_CONTEXT_FLAG_DEBUG_BIT         0x00000002
#define GL_MAX_UNIFORM_LOCATIONS          0x826E
#define GL_FRAMEBUFFER_DEFAULT_WIDTH      0x9310
#define GL_FRAMEBUFFER_DEFAULT_HEIGHT     0x9311
#define GL_FRAMEBUFFER_DEFAULT_LAYERS     0x9312
#define GL_FRAMEBUFFER_DEFAULT_SAMPLES    0x9313
#define GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS 0x9314
#define GL_MAX_FRAMEBUFFER_WIDTH          0x9315
#define GL_MAX_FRAMEBUFFER_HEIGHT         0x9316
#define GL_MAX_FRAMEBUFFER_LAYERS         0x9317
#define GL_MAX_FRAMEBUFFER_SAMPLES        0x9318
#define GL_INTERNALFORMAT_SUPPORTED       0x826F
#define GL_INTERNALFORMAT_PREFERRED       0x8270
#define GL_INTERNALFORMAT_RED_SIZE        0x8271
#define GL_INTERNALFORMAT_GREEN_SIZE      0x8272
#define GL_INTERNALFORMAT_BLUE_SIZE       0x8273
#define GL_INTERNALFORMAT_ALPHA_SIZE      0x8274
#define GL_INTERNALFORMAT_DEPTH_SIZE      0x8275
#define GL_INTERNALFORMAT_STENCIL_SIZE    0x8276
#define GL_INTERNALFORMAT_SHARED_SIZE     0x8277
#define GL_INTERNALFORMAT_RED_TYPE        0x8278
#define GL_INTERNALFORMAT_GREEN_TYPE      0x8279
#define GL_INTERNALFORMAT_BLUE_TYPE       0x827A
#define GL_INTERNALFORMAT_ALPHA_TYPE      0x827B
#define GL_INTERNALFORMAT_DEPTH_TYPE      0x827C
#define GL_INTERNALFORMAT_STENCIL_TYPE    0x827D
#define GL_MAX_WIDTH                      0x827E
#define GL_MAX_HEIGHT                     0x827F
#define GL_MAX_DEPTH                      0x8280
#define GL_MAX_LAYERS                     0x8281
#define GL_MAX_COMBINED_DIMENSIONS        0x8282
#define GL_COLOR_COMPONENTS               0x8283
#define GL_DEPTH_COMPONENTS               0x8284
#define GL_STENCIL_COMPONENTS             0x8285
#define GL_COLOR_RENDERABLE               0x8286
#define GL_DEPTH_RENDERABLE               0x8287
#define GL_STENCIL_RENDERABLE             0x8288
#define GL_FRAMEBUFFER_RENDERABLE         0x8289
#define GL_FRAMEBUFFER_RENDERABLE_LAYERED 0x828A
#define GL_FRAMEBUFFER_BLEND              0x828B
#define GL_READ_PIXELS                    0x828C
#define GL_READ_PIXELS_FORMAT             0x828D
#define GL_READ_PIXELS_TYPE               0x828E
#define GL_TEXTURE_IMAGE_FORMAT           0x828F
#define GL_TEXTURE_IMAGE_TYPE             0x8290
#define GL_GET_TEXTURE_IMAGE_FORMAT       0x8291
#define GL_GET_TEXTURE_IMAGE_TYPE         0x8292
#define GL_MIPMAP                         0x8293
#define GL_MANUAL_GENERATE_MIPMAP         0x8294
#define GL_AUTO_GENERATE_MIPMAP           0x8295
#define GL_COLOR_ENCODING                 0x8296
#define GL_SRGB_READ                      0x8297
#define GL_SRGB_WRITE                     0x8298
#define GL_FILTER                         0x829A
#define GL_VERTEX_TEXTURE                 0x829B
#define GL_TESS_CONTROL_TEXTURE           0x829C
#define GL_TESS_EVALUATION_TEXTURE        0x829D
#define GL_GEOMETRY_TEXTURE               0x829E
#define GL_FRAGMENT_TEXTURE               0x829F
#define GL_COMPUTE_TEXTURE                0x82A0
#define GL_TEXTURE_SHADOW                 0x82A1
#define GL_TEXTURE_GATHER                 0x82A2
#define GL_TEXTURE_GATHER_SHADOW          0x82A3
#define GL_SHADER_IMAGE_LOAD              0x82A4
#define GL_SHADER_IMAGE_STORE             0x82A5
#define GL_SHADER_IMAGE_ATOMIC            0x82A6
#define GL_IMAGE_TEXEL_SIZE               0x82A7
#define GL_IMAGE_COMPATIBILITY_CLASS      0x82A8
#define GL_IMAGE_PIXEL_FORMAT             0x82A9
#define GL_IMAGE_PIXEL_TYPE               0x82AA
#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST 0x82AC
#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST 0x82AD
#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE 0x82AE
#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE 0x82AF
#define GL_TEXTURE_COMPRESSED_BLOCK_WIDTH 0x82B1
#define GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT 0x82B2
#define GL_TEXTURE_COMPRESSED_BLOCK_SIZE  0x82B3
#define GL_CLEAR_BUFFER                   0x82B4
#define GL_TEXTURE_VIEW                   0x82B5
#define GL_VIEW_COMPATIBILITY_CLASS       0x82B6
#define GL_FULL_SUPPORT                   0x82B7
#define GL_CAVEAT_SUPPORT                 0x82B8
#define GL_IMAGE_CLASS_4_X_32             0x82B9
#define GL_IMAGE_CLASS_2_X_32             0x82BA
#define GL_IMAGE_CLASS_1_X_32             0x82BB
#define GL_IMAGE_CLASS_4_X_16             0x82BC
#define GL_IMAGE_CLASS_2_X_16             0x82BD
#define GL_IMAGE_CLASS_1_X_16             0x82BE
#define GL_IMAGE_CLASS_4_X_8              0x82BF
#define GL_IMAGE_CLASS_2_X_8              0x82C0
#define GL_IMAGE_CLASS_1_X_8              0x82C1
#define GL_IMAGE_CLASS_11_11_10           0x82C2
#define GL_IMAGE_CLASS_10_10_10_2         0x82C3
#define GL_VIEW_CLASS_128_BITS            0x82C4
#define GL_VIEW_CLASS_96_BITS             0x82C5
#define GL_VIEW_CLASS_64_BITS             0x82C6
#define GL_VIEW_CLASS_48_BITS             0x82C7
#define GL_VIEW_CLASS_32_BITS             0x82C8
#define GL_VIEW_CLASS_24_BITS             0x82C9
#define GL_VIEW_CLASS_16_BITS             0x82CA
#define GL_VIEW_CLASS_8_BITS              0x82CB
#define GL_VIEW_CLASS_S3TC_DXT1_RGB       0x82CC
#define GL_VIEW_CLASS_S3TC_DXT1_RGBA      0x82CD
#define GL_VIEW_CLASS_S3TC_DXT3_RGBA      0x82CE
#define GL_VIEW_CLASS_S3TC_DXT5_RGBA      0x82CF
#define GL_VIEW_CLASS_RGTC1_RED           0x82D0
#define GL_VIEW_CLASS_RGTC2_RG            0x82D1
#define GL_VIEW_CLASS_BPTC_UNORM          0x82D2
#define GL_VIEW_CLASS_BPTC_FLOAT          0x82D3
#define GL_UNIFORM                        0x92E1
#define GL_UNIFORM_BLOCK                  0x92E2
#define GL_PROGRAM_INPUT                  0x92E3
#define GL_PROGRAM_OUTPUT                 0x92E4
#define GL_BUFFER_VARIABLE                0x92E5
#define GL_SHADER_STORAGE_BLOCK           0x92E6
#define GL_VERTEX_SUBROUTINE              0x92E8
#define GL_TESS_CONTROL_SUBROUTINE        0x92E9
#define GL_TESS_EVALUATION_SUBROUTINE     0x92EA
#define GL_GEOMETRY_SUBROUTINE            0x92EB
#define GL_FRAGMENT_SUBROUTINE            0x92EC
#define GL_COMPUTE_SUBROUTINE             0x92ED
#define GL_VERTEX_SUBROUTINE_UNIFORM      0x92EE
#define GL_TESS_CONTROL_SUBROUTINE_UNIFORM 0x92EF
#define GL_TESS_EVALUATION_SUBROUTINE_UNIFORM 0x92F0
#define GL_GEOMETRY_SUBROUTINE_UNIFORM    0x92F1
#define GL_FRAGMENT_SUBROUTINE_UNIFORM    0x92F2
#define GL_COMPUTE_SUBROUTINE_UNIFORM     0x92F3
#define GL_TRANSFORM_FEEDBACK_VARYING     0x92F4
#define GL_ACTIVE_RESOURCES               0x92F5
#define GL_MAX_NAME_LENGTH                0x92F6
#define GL_MAX_NUM_ACTIVE_VARIABLES       0x92F7
#define GL_MAX_NUM_COMPATIBLE_SUBROUTINES 0x92F8
#define GL_NAME_LENGTH                    0x92F9
#define GL_TYPE                           0x92FA
#define GL_ARRAY_SIZE                     0x92FB
#define GL_OFFSET                         0x92FC
#define GL_BLOCK_INDEX                    0x92FD
#define GL_ARRAY_STRIDE                   0x92FE
#define GL_MATRIX_STRIDE                  0x92FF
#define GL_IS_ROW_MAJOR                   0x9300
#define GL_ATOMIC_COUNTER_BUFFER_INDEX    0x9301
#define GL_BUFFER_BINDING                 0x9302
#define GL_BUFFER_DATA_SIZE               0x9303
#define GL_NUM_ACTIVE_VARIABLES           0x9304
#define GL_ACTIVE_VARIABLES               0x9305
#define GL_REFERENCED_BY_VERTEX_SHADER    0x9306
#define GL_REFERENCED_BY_TESS_CONTROL_SHADER 0x9307
#define GL_REFERENCED_BY_TESS_EVALUATION_SHADER 0x9308
#define GL_REFERENCED_BY_GEOMETRY_SHADER  0x9309
#define GL_REFERENCED_BY_FRAGMENT_SHADER  0x930A
#define GL_REFERENCED_BY_COMPUTE_SHADER   0x930B
#define GL_TOP_LEVEL_ARRAY_SIZE           0x930C
#define GL_TOP_LEVEL_ARRAY_STRIDE         0x930D
#define GL_LOCATION                       0x930E
#define GL_LOCATION_INDEX                 0x930F
#define GL_IS_PER_PATCH                   0x92E7
#define GL_SHADER_STORAGE_BUFFER          0x90D2
#define GL_SHADER_STORAGE_BUFFER_BINDING  0x90D3
#define GL_SHADER_STORAGE_BUFFER_START    0x90D4
#define GL_SHADER_STORAGE_BUFFER_SIZE     0x90D5
#define GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS 0x90D6
#define GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS 0x90D7
#define GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS 0x90D8
#define GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS 0x90D9
#define GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS 0x90DA
#define GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS 0x90DB
#define GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS 0x90DC
#define GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS 0x90DD
#define GL_MAX_SHADER_STORAGE_BLOCK_SIZE  0x90DE
#define GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT 0x90DF
#define GL_SHADER_STORAGE_BARRIER_BIT     0x00002000
#define GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES 0x8F39
#define GL_DEPTH_STENCIL_TEXTURE_MODE     0x90EA
#define GL_TEXTURE_BUFFER_OFFSET          0x919D
#define GL_TEXTURE_BUFFER_SIZE            0x919E
#define GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT 0x919F
#define GL_TEXTURE_VIEW_MIN_LEVEL         0x82DB
#define GL_TEXTURE_VIEW_NUM_LEVELS        0x82DC
#define GL_TEXTURE_VIEW_MIN_LAYER         0x82DD
#define GL_TEXTURE_VIEW_NUM_LAYERS        0x82DE
#define GL_TEXTURE_IMMUTABLE_LEVELS       0x82DF
#define GL_VERTEX_ATTRIB_BINDING          0x82D4
#define GL_VERTEX_ATTRIB_RELATIVE_OFFSET  0x82D5
#define GL_VERTEX_BINDING_DIVISOR         0x82D6
#define GL_VERTEX_BINDING_OFFSET          0x82D7
#define GL_VERTEX_BINDING_STRIDE          0x82D8
#define GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D9
#define GL_MAX_VERTEX_ATTRIB_BINDINGS     0x82DA
#define GL_VERTEX_BINDING_BUFFER          0x8F4F
#define GL_DISPLAY_LIST                   0x82E7

typedef void ( GLAPIENTRYP PFNGLCLEARBUFFERDATAPROC ) ( GLenum target, GLenum internalformat, GLenum format, GLenum type, const void *data );
typedef void ( GLAPIENTRYP PFNGLCLEARBUFFERSUBDATAPROC ) ( GLenum target, GLenum internalformat, GLintptr offset, GLsizeiptr size, GLenum format, GLenum type, const void *data );
typedef void ( GLAPIENTRYP PFNGLDISPATCHCOMPUTEPROC ) ( GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z );
typedef void ( GLAPIENTRYP PFNGLDISPATCHCOMPUTEINDIRECTPROC ) ( GLintptr indirect );
typedef void ( GLAPIENTRYP PFNGLCOPYIMAGESUBDATAPROC ) ( GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth );
typedef void ( GLAPIENTRYP PFNGLFRAMEBUFFERPARAMETERIPROC ) ( GLenum target, GLenum pname, GLint param );
typedef void ( GLAPIENTRYP PFNGLGETFRAMEBUFFERPARAMETERIVPROC ) ( GLenum target, GLenum pname, GLint *params );
typedef void ( GLAPIENTRYP PFNGLGETINTERNALFORMATI64VPROC ) ( GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint64 *params );
typedef void ( GLAPIENTRYP PFNGLINVALIDATETEXSUBIMAGEPROC ) ( GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth );
typedef void ( GLAPIENTRYP PFNGLINVALIDATETEXIMAGEPROC ) ( GLuint texture, GLint level );
typedef void ( GLAPIENTRYP PFNGLINVALIDATEBUFFERSUBDATAPROC ) ( GLuint buffer, GLintptr offset, GLsizeiptr length );
typedef void ( GLAPIENTRYP PFNGLINVALIDATEBUFFERDATAPROC ) ( GLuint buffer );
typedef void ( GLAPIENTRYP PFNGLINVALIDATEFRAMEBUFFERPROC ) ( GLenum target, GLsizei numAttachments, const GLenum *attachments );
typedef void ( GLAPIENTRYP PFNGLINVALIDATESUBFRAMEBUFFERPROC ) ( GLenum target, GLsizei numAttachments, const GLenum *attachments, GLint x, GLint y, GLsizei width, GLsizei height );
typedef void ( GLAPIENTRYP PFNGLMULTIDRAWARRAYSINDIRECTPROC ) ( GLenum mode, const void *indirect, GLsizei drawcount, GLsizei stride );
typedef void ( GLAPIENTRYP PFNGLMULTIDRAWELEMENTSINDIRECTPROC ) ( GLenum mode, GLenum type, const void *indirect, GLsizei drawcount, GLsizei stride );
typedef void ( GLAPIENTRYP PFNGLGETPROGRAMINTERFACEIVPROC ) ( GLuint program, GLenum programInterface, GLenum pname, GLint *params );
typedef GLuint( GLAPIENTRYP PFNGLGETPROGRAMRESOURCEINDEXPROC ) ( GLuint program, GLenum programInterface, const GLchar *name );
typedef void ( GLAPIENTRYP PFNGLGETPROGRAMRESOURCENAMEPROC ) ( GLuint program, GLenum programInterface, GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name );
typedef void ( GLAPIENTRYP PFNGLGETPROGRAMRESOURCEIVPROC ) ( GLuint program, GLenum programInterface, GLuint index, GLsizei propCount, const GLenum *props, GLsizei bufSize, GLsizei *length, GLint *params );
typedef GLint( GLAPIENTRYP PFNGLGETPROGRAMRESOURCELOCATIONPROC ) ( GLuint program, GLenum programInterface, const GLchar *name );
typedef GLint( GLAPIENTRYP PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC ) ( GLuint program, GLenum programInterface, const GLchar *name );
typedef void ( GLAPIENTRYP PFNGLSHADERSTORAGEBLOCKBINDINGPROC ) ( GLuint program, GLuint storageBlockIndex, GLuint storageBlockBinding );
typedef void ( GLAPIENTRYP PFNGLTEXBUFFERRANGEPROC ) ( GLenum target, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size );
typedef void ( GLAPIENTRYP PFNGLTEXSTORAGE2DMULTISAMPLEPROC ) ( GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations );
typedef void ( GLAPIENTRYP PFNGLTEXSTORAGE3DMULTISAMPLEPROC ) ( GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations );
typedef void ( GLAPIENTRYP PFNGLTEXTUREVIEWPROC ) ( GLuint texture, GLenum target, GLuint origtexture, GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer, GLuint numlayers );
typedef void ( GLAPIENTRYP PFNGLBINDVERTEXBUFFERPROC ) ( GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBFORMATPROC ) ( GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBIFORMATPROC ) ( GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBLFORMATPROC ) ( GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset );
typedef void ( GLAPIENTRYP PFNGLVERTEXATTRIBBINDINGPROC ) ( GLuint attribindex, GLuint bindingindex );
typedef void ( GLAPIENTRYP PFNGLVERTEXBINDINGDIVISORPROC ) ( GLuint bindingindex, GLuint divisor );
typedef void ( GLAPIENTRYP PFNGLDEBUGMESSAGECONTROLPROC ) ( GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled );
typedef void ( GLAPIENTRYP PFNGLDEBUGMESSAGEINSERTPROC ) ( GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf );
//typedef void ( GLAPIENTRYP PFNGLDEBUGMESSAGECALLBACKPROC ) ( GLDEBUGPROC callback, const void *userParam );
typedef GLuint( GLAPIENTRYP PFNGLGETDEBUGMESSAGELOGPROC ) ( GLuint count, GLsizei bufSize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog );
typedef void ( GLAPIENTRYP PFNGLPUSHDEBUGGROUPPROC ) ( GLenum source, GLuint id, GLsizei length, const GLchar *message );
typedef void ( GLAPIENTRYP PFNGLPOPDEBUGGROUPPROC ) ( void );
typedef void ( GLAPIENTRYP PFNGLOBJECTLABELPROC ) ( GLenum identifier, GLuint name, GLsizei length, const GLchar *label );
typedef void ( GLAPIENTRYP PFNGLGETOBJECTLABELPROC ) ( GLenum identifier, GLuint name, GLsizei bufSize, GLsizei *length, GLchar *label );
typedef void ( GLAPIENTRYP PFNGLOBJECTPTRLABELPROC ) ( const void *ptr, GLsizei length, const GLchar *label );
typedef void ( GLAPIENTRYP PFNGLGETOBJECTPTRLABELPROC ) ( const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label );

extern PFNGLCLEARBUFFERDATAPROC glClearBufferData;
extern PFNGLCLEARBUFFERSUBDATAPROC glClearBufferSubData;
extern PFNGLDISPATCHCOMPUTEPROC glDispatchCompute;
extern PFNGLDISPATCHCOMPUTEINDIRECTPROC glDispatchComputeIndirect;
extern PFNGLCOPYIMAGESUBDATAPROC glCopyImageSubData;
extern PFNGLFRAMEBUFFERPARAMETERIPROC glFramebufferParameteri;
extern PFNGLGETFRAMEBUFFERPARAMETERIVPROC glGetFramebufferParameteriv;
extern PFNGLGETINTERNALFORMATI64VPROC glGetInternalformati64v;
extern PFNGLINVALIDATETEXSUBIMAGEPROC glInvalidateTexSubImage;
extern PFNGLINVALIDATETEXIMAGEPROC glInvalidateTexImage;
extern PFNGLINVALIDATEBUFFERSUBDATAPROC glInvalidateBufferSubData;
extern PFNGLINVALIDATEBUFFERDATAPROC glInvalidateBufferData;
extern PFNGLINVALIDATEFRAMEBUFFERPROC glInvalidateFramebuffer;
extern PFNGLINVALIDATESUBFRAMEBUFFERPROC glInvalidateSubFramebuffer;
extern PFNGLMULTIDRAWARRAYSINDIRECTPROC glMultiDrawArraysIndirect;
extern PFNGLMULTIDRAWELEMENTSINDIRECTPROC glMultiDrawElementsIndirect;
extern PFNGLGETPROGRAMINTERFACEIVPROC glGetProgramInterfaceiv;
extern PFNGLGETPROGRAMRESOURCEINDEXPROC glGetProgramResourceIndex;
extern PFNGLGETPROGRAMRESOURCENAMEPROC glGetProgramResourceName;
extern PFNGLGETPROGRAMRESOURCEIVPROC glGetProgramResourceiv;
extern PFNGLGETPROGRAMRESOURCELOCATIONPROC glGetProgramResourceLocation;
extern PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC glGetProgramResourceLocationIndex;
extern PFNGLSHADERSTORAGEBLOCKBINDINGPROC glShaderStorageBlockBinding;
extern PFNGLTEXBUFFERRANGEPROC glTexBufferRange;
extern PFNGLTEXSTORAGE2DMULTISAMPLEPROC glTexStorage2DMultisample;
extern PFNGLTEXSTORAGE3DMULTISAMPLEPROC glTexStorage3DMultisample;
extern PFNGLTEXTUREVIEWPROC glTextureView;
extern PFNGLBINDVERTEXBUFFERPROC glBindVertexBuffer;
extern PFNGLVERTEXATTRIBFORMATPROC glVertexAttribFormat;
extern PFNGLVERTEXATTRIBIFORMATPROC glVertexAttribIFormat;
extern PFNGLVERTEXATTRIBLFORMATPROC glVertexAttribLFormat;
extern PFNGLVERTEXATTRIBBINDINGPROC glVertexAttribBinding;
extern PFNGLVERTEXBINDINGDIVISORPROC glVertexBindingDivisor;
extern PFNGLDEBUGMESSAGECONTROLPROC glDebugMessageControl;
extern PFNGLDEBUGMESSAGEINSERTPROC glDebugMessageInsert;
//extern PFNGLDEBUGMESSAGECALLBACKPROC glDebugMessageCallback;
extern PFNGLGETDEBUGMESSAGELOGPROC glGetDebugMessageLog;
extern PFNGLPUSHDEBUGGROUPPROC glPushDebugGroup;
extern PFNGLPOPDEBUGGROUPPROC glPopDebugGroup;
extern PFNGLOBJECTLABELPROC glObjectLabel;
extern PFNGLGETOBJECTLABELPROC glGetObjectLabel;
extern PFNGLOBJECTPTRLABELPROC glObjectPtrLabel;
extern PFNGLGETOBJECTPTRLABELPROC glGetObjectPtrLabel;

#endif /* GL_VERSION_4_3 */


#ifndef GL_VERSION_4_4
#define GL_VERSION_4_4 1

#define GL_MAX_VERTEX_ATTRIB_STRIDE       0x82E5
#define GL_PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED 0x8221
#define GL_TEXTURE_BUFFER_BINDING         0x8C2A
#define GL_MAP_PERSISTENT_BIT             0x0040
#define GL_MAP_COHERENT_BIT               0x0080
#define GL_DYNAMIC_STORAGE_BIT            0x0100
#define GL_CLIENT_STORAGE_BIT             0x0200
#define GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT 0x00004000
#define GL_BUFFER_IMMUTABLE_STORAGE       0x821F
#define GL_BUFFER_STORAGE_FLAGS           0x8220
#define GL_CLEAR_TEXTURE                  0x9365
#define GL_LOCATION_COMPONENT             0x934A
#define GL_TRANSFORM_FEEDBACK_BUFFER_INDEX 0x934B
#define GL_TRANSFORM_FEEDBACK_BUFFER_STRIDE 0x934C
#define GL_QUERY_BUFFER                   0x9192
#define GL_QUERY_BUFFER_BARRIER_BIT       0x00008000
#define GL_QUERY_BUFFER_BINDING           0x9193
#define GL_QUERY_RESULT_NO_WAIT           0x9194
#define GL_MIRROR_CLAMP_TO_EDGE           0x8743

typedef void ( GLAPIENTRYP PFNGLBUFFERSTORAGEPROC ) ( GLenum target, GLsizeiptr size, const void *data, GLbitfield flags );
typedef void ( GLAPIENTRYP PFNGLCLEARTEXIMAGEPROC ) ( GLuint texture, GLint level, GLenum format, GLenum type, const void *data );
typedef void ( GLAPIENTRYP PFNGLCLEARTEXSUBIMAGEPROC ) ( GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data );
typedef void ( GLAPIENTRYP PFNGLBINDBUFFERSBASEPROC ) ( GLenum target, GLuint first, GLsizei count, const GLuint *buffers );
typedef void ( GLAPIENTRYP PFNGLBINDBUFFERSRANGEPROC ) ( GLenum target, GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizeiptr *sizes );
typedef void ( GLAPIENTRYP PFNGLBINDTEXTURESPROC ) ( GLuint first, GLsizei count, const GLuint *textures );
typedef void ( GLAPIENTRYP PFNGLBINDSAMPLERSPROC ) ( GLuint first, GLsizei count, const GLuint *samplers );
typedef void ( GLAPIENTRYP PFNGLBINDIMAGETEXTURESPROC ) ( GLuint first, GLsizei count, const GLuint *textures );
typedef void ( GLAPIENTRYP PFNGLBINDVERTEXBUFFERSPROC ) ( GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizei *strides );

extern PFNGLBUFFERSTORAGEPROC glBufferStorage;
extern PFNGLCLEARTEXIMAGEPROC glClearTexImage;
extern PFNGLCLEARTEXSUBIMAGEPROC glClearTexSubImage;
extern PFNGLBINDBUFFERSBASEPROC glBindBuffersBase;
extern PFNGLBINDBUFFERSRANGEPROC glBindBuffersRange;
extern PFNGLBINDTEXTURESPROC glBindTextures;
extern PFNGLBINDSAMPLERSPROC glBindSamplers;
extern PFNGLBINDIMAGETEXTURESPROC glBindImageTextures;
extern PFNGLBINDVERTEXBUFFERSPROC glBindVertexBuffers;

#endif /* GL_VERSION_4_4 */

}  // namespace h3dGL


// =================================================================================================
// Extensions
// =================================================================================================

namespace h3dGL
{
// EXT_framebuffer_object
#ifndef GL_EXT_framebuffer_object
#define GL_EXT_framebuffer_object 1

#define GL_INVALID_FRAMEBUFFER_OPERATION_EXT                0x0506
#define GL_MAX_RENDERBUFFER_SIZE_EXT                        0x84E8
#define GL_FRAMEBUFFER_BINDING_EXT                          0x8CA6
#define GL_RENDERBUFFER_BINDING_EXT                         0x8CA7
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT           0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT           0x8CD1
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT         0x8CD2
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT 0x8CD3
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT    0x8CD4
#define GL_FRAMEBUFFER_COMPLETE_EXT                         0x8CD5
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT            0x8CD6
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT    0x8CD7
#define GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT  0x8CD8
#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT            0x8CD9
#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT               0x8CDA
#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT           0x8CDB
#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT           0x8CDC
#define GL_FRAMEBUFFER_UNSUPPORTED_EXT                      0x8CDD
#define GL_MAX_COLOR_ATTACHMENTS_EXT                        0x8CDF
#define GL_COLOR_ATTACHMENT0_EXT                            0x8CE0
#define GL_COLOR_ATTACHMENT1_EXT                            0x8CE1
#define GL_COLOR_ATTACHMENT2_EXT                            0x8CE2
#define GL_COLOR_ATTACHMENT3_EXT                            0x8CE3
#define GL_COLOR_ATTACHMENT4_EXT                            0x8CE4
#define GL_COLOR_ATTACHMENT5_EXT                            0x8CE5
#define GL_COLOR_ATTACHMENT6_EXT                            0x8CE6
#define GL_COLOR_ATTACHMENT7_EXT                            0x8CE7
#define GL_COLOR_ATTACHMENT8_EXT                            0x8CE8
#define GL_COLOR_ATTACHMENT9_EXT                            0x8CE9
#define GL_COLOR_ATTACHMENT10_EXT                           0x8CEA
#define GL_COLOR_ATTACHMENT11_EXT                           0x8CEB
#define GL_COLOR_ATTACHMENT12_EXT                           0x8CEC
#define GL_COLOR_ATTACHMENT13_EXT                           0x8CED
#define GL_COLOR_ATTACHMENT14_EXT                           0x8CEE
#define GL_COLOR_ATTACHMENT15_EXT                           0x8CEF
#define GL_DEPTH_ATTACHMENT_EXT                             0x8D00
#define GL_STENCIL_ATTACHMENT_EXT                           0x8D20
#define GL_FRAMEBUFFER_EXT                                  0x8D40
#define GL_RENDERBUFFER_EXT                                 0x8D41
#define GL_RENDERBUFFER_WIDTH_EXT                           0x8D42
#define GL_RENDERBUFFER_HEIGHT_EXT                          0x8D43
#define GL_RENDERBUFFER_INTERNAL_FORMAT_EXT                 0x8D44
#define GL_STENCIL_INDEX1_EXT                               0x8D46
#define GL_STENCIL_INDEX4_EXT                               0x8D47
#define GL_STENCIL_INDEX8_EXT                               0x8D48
#define GL_STENCIL_INDEX16_EXT                              0x8D49
#define GL_RENDERBUFFER_RED_SIZE_EXT                        0x8D50
#define GL_RENDERBUFFER_GREEN_SIZE_EXT                      0x8D51
#define GL_RENDERBUFFER_BLUE_SIZE_EXT                       0x8D52
#define GL_RENDERBUFFER_ALPHA_SIZE_EXT                      0x8D53
#define GL_RENDERBUFFER_DEPTH_SIZE_EXT                      0x8D54
#define GL_RENDERBUFFER_STENCIL_SIZE_EXT                    0x8D55

typedef GLboolean (GLAPIENTRYP PFNGLISRENDERBUFFEREXTPROC) (GLuint renderbuffer);
typedef void (GLAPIENTRYP PFNGLBINDRENDERBUFFEREXTPROC) (GLenum target, GLuint renderbuffer);
typedef void (GLAPIENTRYP PFNGLDELETERENDERBUFFERSEXTPROC) (GLsizei n, const GLuint *renderbuffers);
typedef void (GLAPIENTRYP PFNGLGENRENDERBUFFERSEXTPROC) (GLsizei n, GLuint *renderbuffers);
typedef void (GLAPIENTRYP PFNGLRENDERBUFFERSTORAGEEXTPROC) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
typedef void (GLAPIENTRYP PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) (GLenum target, GLenum pname, GLint *params);
typedef GLboolean (GLAPIENTRYP PFNGLISFRAMEBUFFEREXTPROC) (GLuint framebuffer);
typedef void (GLAPIENTRYP PFNGLBINDFRAMEBUFFEREXTPROC) (GLenum target, GLuint framebuffer);
typedef void (GLAPIENTRYP PFNGLDELETEFRAMEBUFFERSEXTPROC) (GLsizei n, const GLuint *framebuffers);
typedef void (GLAPIENTRYP PFNGLGENFRAMEBUFFERSEXTPROC) (GLsizei n, GLuint *framebuffers);
typedef GLenum (GLAPIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) (GLenum target);
typedef void (GLAPIENTRYP PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
typedef void (GLAPIENTRYP PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
typedef void (GLAPIENTRYP PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
typedef void (GLAPIENTRYP PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
typedef void (GLAPIENTRYP PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) (GLenum target, GLenum attachment, GLenum pname, GLint *params);
typedef void (GLAPIENTRYP PFNGLGENERATEMIPMAPEXTPROC) (GLenum target);

extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;

#endif


// EXT_texture_filter_anisotropic
#ifndef GL_EXT_texture_filter_anisotropic
#define GL_EXT_texture_filter_anisotropic 1

#define GL_TEXTURE_MAX_ANISOTROPY_EXT       0x84FE
#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT   0x84FF

#endif


// EXT_texture_compression_s3tc
#ifndef GL_EXT_texture_compression_s3tc
#define GL_EXT_texture_compression_s3tc 1

#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT     0x83F0
#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT    0x83F1
#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT    0x83F2
#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT    0x83F3

#endif


// EXT_texture_sRGB
#ifndef GL_EXT_texture_sRGB
#define GL_EXT_texture_sRGB 1

#define GL_SRGB_EXT                            0x8C40
#define GL_SRGB8_EXT                           0x8C41
#define GL_SRGB_ALPHA_EXT                      0x8C42
#define GL_SRGB8_ALPHA8_EXT                    0x8C43
//#define GL_SLUMINANCE_ALPHA_EXT                 0x8C44
//#define GL_SLUMINANCE8_ALPHA8_EXT               0x8C45
//#define GL_SLUMINANCE_EXT                       0x8C46
//#define GL_SLUMINANCE8_EXT                      0x8C47
#define GL_COMPRESSED_SRGB_EXT                  0x8C48
#define GL_COMPRESSED_SRGB_ALPHA_EXT            0x8C49
//#define GL_COMPRESSED_SLUMINANCE_EXT            0x8C4A
//#define GL_COMPRESSED_SLUMINANCE_ALPHA_EXT      0x8C4B
#define GL_COMPRESSED_SRGB_S3TC_DXT1_EXT        0x8C4C
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT  0x8C4D
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT  0x8C4E
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT  0x8C4F

#endif


// ARB_texture_float
#ifndef GL_ARB_texture_float
#define GL_ARB_texture_float 1

#define GL_TEXTURE_RED_TYPE_ARB             0x8C10
#define GL_TEXTURE_GREEN_TYPE_ARB           0x8C11
#define GL_TEXTURE_BLUE_TYPE_ARB            0x8C12
//#define GL_TEXTURE_ALPHA_TYPE_ARB           0x8C13
//#define GL_TEXTURE_LUMINANCE_TYPE_ARB       0x8C14
//#define GL_TEXTURE_INTENSITY_TYPE_ARB       0x8C15
#define GL_TEXTURE_DEPTH_TYPE_ARB           0x8C16
#define GL_UNSIGNED_NORMALIZED_ARB          0x8C17
#define GL_RGBA32F_ARB                      0x8814
#define GL_RGB32F_ARB                       0x8815
//#define GL_ALPHA32F_ARB                     0x8816
//#define GL_INTENSITY32F_ARB                 0x8817
//#define GL_LUMINANCE32F_ARB                 0x8818
//#define GL_LUMINANCE_ALPHA32F_ARB           0x8819
#define GL_RGBA16F_ARB                      0x881A
#define GL_RGB16F_ARB                       0x881B
//#define GL_ALPHA16F_ARB                     0x881C
//#define GL_INTENSITY16F_ARB                 0x881D
//#define GL_LUMINANCE16F_ARB                 0x881E
//#define GL_LUMINANCE_ALPHA16F_ARB           0x881F

#endif


// EXT_framebuffer_blit
#ifndef GL_EXT_framebuffer_blit
#define GL_EXT_framebuffer_blit 1

#define GL_READ_FRAMEBUFFER_EXT             0x8CA8
#define GL_DRAW_FRAMEBUFFER_EXT             0x8CA9
#define GL_READ_FRAMEBUFFER_BINDING_EXT     GL_FRAMEBUFFER_BINDING_EXT
#define GL_DRAW_FRAMEBUFFER_BINDING_EXT     0x8CAA

typedef void (GLAPIENTRYP PFNGLBLITFRAMEBUFFEREXTPROC) (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);

extern PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT;

#endif


// EXT_framebuffer_multisample
#ifndef GL_EXT_framebuffer_multisample
#define GL_EXT_framebuffer_multisample 1

#define GL_RENDERBUFFER_SAMPLES_EXT                0x8CAB
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT  0x8D56
#define GL_MAX_SAMPLES_EXT                         0x8D57

typedef void (GLAPIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);

extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT;

#endif


// ARB_timer_query
#ifndef GL_ARB_timer_query
#define GL_ARB_timer_query 1

#define GL_TIME_ELAPSED  0x88BF
#define GL_TIMESTAMP     0x8E28

typedef void (GLAPIENTRYP PFNGLQUERYCOUNTERPROC) (GLuint id, GLenum target);
typedef void (GLAPIENTRYP PFNGLGETQUERYOBJECTI64VPROC) (GLuint id, GLenum pname, GLint64 *params);
typedef void (GLAPIENTRYP PFNGLGETQUERYOBJECTUI64VPROC) (GLuint id, GLenum pname, GLuint64 *params);
extern PFNGLQUERYCOUNTERPROC glQueryCounterARB; 
extern PFNGLGETQUERYOBJECTI64VPROC glGetQueryObjecti64vARB;
extern PFNGLGETQUERYOBJECTUI64VPROC glGetQueryObjectui64vARB;

#endif

#ifndef GL_ARB_texture_buffer_object
#define GL_ARB_texture_buffer_object 1

#define GL_TEXTURE_BUFFER_ARB						0x8C2A
#define GL_MAX_TEXTURE_BUFFER_SIZE_ARB				0x8C2B
#define GL_TEXTURE_BINDING_BUFFER_ARB				0x8C2C
#define GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB    0x8C2D
#define GL_TEXTURE_BUFFER_FORMAT_ARB                0x8C2E

typedef void ( GLAPIENTRYP PFNGLTEXBUFFERPROC )( GLenum target, GLenum internalformat, GLuint buffer );
extern PFNGLTEXBUFFERPROC glTexBufferARB;

#endif


/* GL_OES_EGL_image */
#ifndef GL_OES_EGL_image
typedef void* GLeglImageOES;
#endif

#ifndef GL_OES_EGL_image
#define GL_OES_EGL_image 1
typedef void (GLAPIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image);
typedef void (GLAPIENTRYP PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLeglImageOES image);
#endif

extern PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;

#ifndef GL_ARB_texture_rg
#define GL_ARB_texture_rg 1

#define GL_R8_ARB                      0x8229
#define GL_R16_ARB                     0x822A
#define GL_RG8_ARB                     0x822B
#define GL_RG16_ARB                    0x822C
#define GL_R16F_ARB                    0x822D
#define GL_R32F_ARB                    0x822E
#define GL_RG16F_ARB                   0x822F
#define GL_RG32F_ARB                   0x8230
#define GL_R8I_ARB                     0x8231
#define GL_R8UI_ARB                    0x8232
#define GL_R16I_ARB                    0x8233
#define GL_R16UI_ARB                   0x8234
#define GL_R32I_ARB                    0x8235
#define GL_R32UI_ARB                   0x8236
#define GL_RG8I_ARB                    0x8237
#define GL_RG8UI_ARB                   0x8238
#define GL_RG16I_ARB                   0x8239
#define GL_RG16UI_ARB                  0x823A
#define GL_RG32I_ARB                   0x823B
#define GL_RG32UI_ARB                  0x823C

#define GL_RED_ARB                     0x1903
#define GL_RG_ARB                      0x8227

#define GL_COMPRESSED_RED_ARB          0x8225
#define GL_COMPRESSED_RG_ARB           0x8226

#endif

}  // namespace h3dGL

using namespace h3dGL;

#endif // _utOpenGL_H_
